The amount of voltage is directly proportional to the changing amount of ____ in the conductor and inversely proportional to the change in the time that occurs.
Answers
The amount of voltage is directly proportional to the changing amount of resistance in the conductor and inversely proportional to the change in the time that occurs.
Voltage is an important concept when it comes to electricity. It is a measure of the electrical potential energy between two points, usually expressed in volts. As such, voltage is directly proportional to the amount of electric charge present in a conductor, and inversely proportional to the time over which the change occurs.
For example, if the amount of charge is increased, the voltage will also increase, while if the time for this change is decreased, voltage will increase as well. This is because when more charge is present in the conductor, there is more potential for energy to be released, and a shorter amount of time means that there is less time for energy to be dissipated.
This is why voltage is inversely proportional to time. Voltage is one of the important factors in the functioning of any electrical circuit, and understanding its relationship to electric charge and time is essential to electricity’s uses and applications.
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Related Questions
Suppose an isolated magnetic North pole is discovered and dropped through this setup (magnet through a coil experiment). Describe the
voltage pattern by giving a crude sketch of the voltage as a function of time.
Answers
During time interval t2, the voltage is decreasing from the maximum value to 0, as the magnetic flux linkage with the coil is reduced.
When an isolated magnetic North pole is discovered and dropped through the set-up (magnet through a coil experiment), there is a change in magnetic flux linkage within the coil. Therefore, the induced electromotive force (EMF) will cause a voltage pattern to form.The Faraday's Law of Electromagnetic Induction states that when there is a change in magnetic flux linkage within a coil, an EMF is induced in the coil.
In this scenario, the magnetic flux linkage increases as the magnetic North pole enters the coil and decreases when it exits the coil, which will result in a change in the direction of the induced EMF within the coil.The voltage pattern obtained from the experiment depends on the rate at which the magnetic North pole is dropped through the set-up and the number of turns of the coil.
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HELP ASAP I WILL MARK RAINLIEST: To a stationary observer, a man jogs east at 6 m/s and a woman jogs west at 2 m/s. from the man's frame of reference, what is the woman's velocity?
I'm pretty sure it's NOT D
Answers
Answer:
8 m/s west
Explanation:
The man considers himself 'stationary'...all of the velocities are attributed to the woman....it will appear as though she is moving 6 + 2 = 8 m/s west
An object travels a distance of 56 meters to the right in 7 seconds. What is the object's velocity?
Answers
Explanation:
Distance travelled (d) = 56 metres
Time taken (t) = 7 seconds
velocity of the object (V)
= d / t
= 56 / 7
= 8 m/s
The velocity of the object is 8 m/s.
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in the u.s., all cars are evaluated using a frontal 35 mph (~16 m/s) crash test. using the variables on the design tab, try to design a car that produces the lowest possible force on the dummy and does not injure the dummy in a 16 m/s crash. this is a single-car test with cas off.
Answers
Designing a car that produces the lowest possible force on the dummy and does not injure the dummy in a 16 m/s crash requires a combination of weight reduction, aerodynamics, safety, and suspension design.
In the U.S., all cars are evaluated using a frontal 35 mph (~16 m/s) crash test. To design a car that produces the lowest possible force on the dummy and does not injure the dummy in a 16 m/s crash, the following steps can be followed:
Step 1: Weight reduction - The car's weight should be as low as possible while maintaining structural integrity. A lighter car will have a lower force during a crash. Therefore, using lightweight materials like aluminum can help reduce the weight of the car.
Step 2: Aerodynamics - Design the car to have the lowest coefficient of drag possible. A streamlined design will reduce the impact of the wind, which can cause a car to lose control at high speeds.
Step 3: Safety - The car should have an advanced safety system, such as airbags and seat belts, to protect the driver and passengers. The car's seat belts should be positioned correctly to protect the driver in a collision, and airbags should be installed to protect the driver's head and chest from impact.
Step 4: Suspension - The suspension system should be designed to absorb the force of a crash. A softer suspension system will absorb the impact of a collision, resulting in a lower force on the dummy.
Overall, designing a car that produces the lowest possible force on the dummy and does not injure the dummy in a 16 m/s crash requires a combination of weight reduction, aerodynamics, safety, and suspension design. By following these steps, it is possible to create a car that is both safe and efficient.
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How is communication important in a science experiment?
(simple but detailed answer)
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In order to ensure that everyone on the team is aware of the goals, rules, and steps involved in the science experiment, communication is crucial. It permits the transparent exchange of information and thoughts.
Why is dialogue crucial in experiments?The chance to get input from stakeholders, experts, and other people with a professional or academic interest in the topic is provided by the presentation of your research findings.
Why is dialogue a crucial component of the science process?Science gains support, understanding of its broader relevance to society is promoted, and it encourages more informed decision-making at all levels, from government to communities to individuals, when scientists are able to effectively communicate outside of their peer group.
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A student squeezes a clothespin 82 times in a minute. Then, using the same hand and the same clothespin, he squeezes the clothespin 68 times in a minute. State one biological reason for the decrease in the number of squeezes during the second trial.
Answers
Answer:
The student squeezed the clothespin less the second time because the muscles in his hand began to fatigue
Explanation:
Which of the following statements DOES NOT explicitly describe a transfer of energy,
A. A ball dropped from a height hits the ground with a high speed.
B. The collisions produced in a nuclear reaction heat up the surroundings.
C. A plane increases its air speed from 150 mi/hr to 200 mi/hr.
D.The electricity from the power socket causes the fan to turn
Answers
Answer:
Option A
Explanation:
A. A ball is dropped from a height and hits the ground with a high speed. As this is a ball, it has elastic energy, so upon impact on the ground the kinetic energy can 1. go into making sound upon impact, or 2. go into making the ball bounce upward again. There may by more possible energy transfers, but this is what should occur in like conditions. Now it didn't mention that the ball transfers energy as such, only that the ball hits the ground at high speed. Thus, this statement does not explicitly describe a transfer of energy.
_______________________________________________________
Just to confirm that this is the correct answer, take a look at the other options. Option B states that the energy from the collision is transferred to heat, not in those exact words but still is given. Option C states that the plane increases speed, most likely transferring energy to the atmosphere, in the form sound. In option d the electricity causes the fan to turn, an explicit statement of the transfer of energy.
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Which of these electromagnetic waves has the shortest wavelength?
a) X rays.
b) Radio waves.
c) Microwaves.
d) Infrared rays.
e) Gamma rays.
Answers
Gamma rays have the shortest wavelength among all the given electromagnetic waves. .
The shortest wavelength is being asked among five types of electromagnetic waves that are X-rays, radio waves, microwaves, infrared rays, and gamma rays. The wavelength of electromagnetic radiation is inversely proportional to its frequency, that means, higher the frequency, shorter the wavelength. As per this concept, gamma rays have the highest frequency and hence the shortest wavelength among all the given options.
The wavelength of gamma rays ranges from 10 picometers (pm) to less than one femtometer (fm). Gamma rays are ionizing radiation that is emitted from the nucleus of radioactive atoms, and are also produced in high-energy particle interactions.
Therefore, gamma rays have the shortest wavelength among all the given electromagnetic waves. Gamma rays have the highest frequency, whereas radio waves have the lowest frequency and hence the longest wavelength.
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You are pushing this M = 115-kg box with Fa = 424 Newtons. (Fa = "Your applied force") But it's futile. The box isn't going anywhere. Calculate the frictional force of the floor on the box against you.
Answers
Explanation:
We have,
Mass of a box is 115 kg
Applied force is 424 N
It is required to find the frictional force of the floor on the box against you. Frictional force is an opposing force. It opposes the motion of an object. Here the applied force is 424 N. So, the frictional force has a magnitude of 424 N but it acts in opposite direction.
Compute the electric charge on the surface which is the portion of the cone z = 3x2 + 3y2 in the first octant that lies between the planes z = 2 and z = 6. The charge density on the surface is given by σ(x, y, z) = xyz2 coulombs per square meter.
Answers
Answer:
9828 coulombs
Explanation:
z = \(\sqrt{3x^2 + 3y^2}\)
Relation between the cartesian and polar coordinates
x = r cos ∅
y = r sin ∅
z = \(\sqrt{3x^2 + 3y^2}\) = \(\sqrt{3r}\)
next we calculate the surface charge density of the cone
б ( r, ∅ ) = xyz^2 = 3r^4 sin∅ cos∅
Charge given as
Q = ∫ б(r,∅ )ds
= ∫ б(r,∅ ) \(\sqrt{1 +( \frac{dz}{dx})^2 + (\frac{dz}{dx} )^2 } dA\)
after integration
Q = ∫ б(r,∅ ) 2dA
Attached below is the remaining part of the solution
What simple machines are in a remote controlled drone helicopter?
Answers
Answer:
The machines included in a remote controlled drone helicopter are:
Brushless MotorsBluetooth device connectorBatteriessmall Camera(if needed)LCD Flight control boardWhat is the length of the y-component of the vector plotted below?
Answers
Answer:
A.1
Explanation:
on the vector plot you should count up and if you count up you´ll get one
The length of the y-component of the vector plotted in the given question would be 1. Thus, the correct option is A.
What is a vector plot?A vector field can be defined as an assignment of a vector to each point in the subset of space. For instance, a vector field in the plane can be easily visualized as a collection of arrows with a given magnitude and direction of a particle, each line or arrow attached to a point in the plane of space.
Vector plots are used to create vector lines between any two points or from one point in space to the specified angle direction and with the selected magnitude and direction of the quantity or quality.
In the given graph, the Y-component is the vertical line or vertical component. The value of the y-component of the vector plotted is 1.
Therefore, the correct option is A.
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Political parties perform all of the following tasks except: a) give cues to voters b) pick policymakers and run campaigns c) enforce rigid adherence to their policy positions d) coordinate policymaking e) advocate public policies
Answers
Political parties perform all of the following tasks except c) enforce rigid adherence to their policy positions.
While political parties do have policy positions and platforms, they are not expected to enforce rigid adherence to those positions among their members. In fact, political parties often encompass a range of viewpoints and may have internal debates and disagreements. Parties are primarily responsible for giving cues to voters, picking policymakers and running campaigns, coordinating policymaking efforts, and advocating public policies. They serve as intermediaries between citizens and the government, providing organized structures for political participation and representation. However, they do not typically enforce strict adherence to specific policy positions within their ranks.
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________ meteorites are thought to be analogous in composition to earth's core.
Answers
Iron meteorites are supposed to be similar to the earth's core in composition.
This implies that similar abundances should have been present in the Earth's core given that iron meteorites are regarded to be equivalent to the development of planetary cores. These meteorites can be grouped into three primary categories by scientists: stony, iron, and stony-iron. These kinds all have numerous sub-groups.
Brutal Meteorites Minerals that contain silicates—a substance consisting of silicon and oxygen—make up stony meteorites. They also contain iron and nickel, two metals. The core is almost entirely comprised of metal, notably iron and nickel, in contrast to the crust and mantle, which are rich in minerals. Iron-nickel alloys found in the core are denoted by their chemical symbols, NiFe.
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use Newton's law of cooling to solve the problem Note: this is an algebra 2 problem. However, after 4 math tutors from here, they all couldnt answer and claimed its a physics problem. Maybe a physics tutor can helo? if needed, I can send a practice problem which is similar. we did it in class
Answers
Newton's law of cooling relates the temperature of an object with the time. This law is the following:
\(T=(T_0-T_r)e^{rt}+T_r\)Where:
\(\begin{gathered} T=\text{ temperature at time "t"} \\ T_0=\text{ initial temperature} \\ T_r=\text{ temperature of the surroundings} \\ r=\text{ rate of }cooling \\ t=\text{ time} \end{gathered}\)Since we are asked to determien time we need to solve for "t". To do that we will subtract the temperature of the surrounding from both sides:
\(T-T_r=(T_0-T_r)e^{-rt}\)Now, we divide by the factor multiplying "e":
\(\frac{T-T_r}{T_0-T_r}=e^{-rt}\)Now, we use natural logarithm on both sides:
\(\ln (\frac{T-T_r}{T_0-T_r})=\ln (e^{-rt})\)Now, we use the following property of logarithms on the right side:
\(\ln e^x=x\)This means that we can lower the exponent, like this:
\(\ln (\frac{T-T_r}{T_0-T_r})=-rt\)Now, we divide both sides by "-r":
\(-\frac{1}{r}\ln (\frac{T-T_r}{T_0-T_r})=t\)Now, we substitute the values:
\(-\frac{1}{0.067}\ln (\frac{100F-72F}{180F-72F})=t\)Solving the operations:
\(20.15\min =t\)Therefore, the time to wait is 20.15 minutes.
Which is a device that stores electric charge by separating positive and negative charges?
O a conductor
O a dielectric
O a resistor
O a capacitor
Answers
Answer:
The last one, a capacitor
Explanation:
Right on edge.
The following are steps involved in transmission at the cholinergic synapse:
1. Chemically gated ion channels on the postsynaptic membrane are opened.
2. Calcium ions enter the axon terminal.
3. An action potential depolarizes the axon terminal at the presynaptic membrane.
4. Acetylcholine is released from storage vesicles by exocytosis.
5. Acetylcholine binds to receptors on the postsynaptic membrane
Answers
Answer:
3. Step 1; An action potential depolarizes the axon terminal at the presynaptic membrane
2. Step 2; Calcium ions enter the axon terminal
4. Step 3; Acetylcholine is released from storage vesicles by exocytosis
5. Step 4; Acetylcholine binds to receptors on the postsynaptic membrane
1. Step 5; Chemically gated ion channels on the postsynaptic membrane are opened
Explanation:
3. The cholinergic synapse starts at the point of arrival of an electrochemical impulse or action potentials at the synaptic knob of the axon terminal of a presynaptic neuron membrane
2. The arrival of the action potential at the axon terminal causes the calcium ion Ca²⁺ channels to open and Ca²⁺ enters into the synaptic knob, resulting in the fusion of the presynaptic membrane and synaptic vesicles
4. The fusion enables the release into the synaptic cleft of many acetylcholine (ACh) transmitter molecules by exocytosis
5. Some of the ACh are transported across the synaptic cleft and bind to postsynaptic neuron membrane embedded ACh receptors
1. The binding of the ACh neurotransmitter molecules to receptors on the membrane of the dendrites of a neuron it leads to the opening of ion channels
A block slides down an incline of angle 30° with an
g
acceleration of where 'g' is acceleration due to gravity.
4
Find the coefficient of kinetic friction.
Answers
Which is not a benefit of a sporting organization? a. To control all of the people in the community b. Bringing people together and social interaction c. Promote a healthy lifestyle
Answers
Answer: a. To control all of the people in the community
Explanation:
The sport organization help in bring people of different communities together. It removes any kind of discrimination based on caste, gender, race, and others. People are united in a single team to bring about unity in them. The sport organization does not control the people in the community instead can bring change in their thinking and opinion about people of the other community. The sports activities are recreational in nature, they build social interaction between people of different communities, control good health, make communities safer.
What limitations would you encounter if you attempted to simultaneously measure the position and the momentum of a proton?.
Answers
The uncertainty in its energy multiplied by the uncertainty in time is always greater than or equal to h/4 .
The term "uncertainty" relates to epistemic circumstances containing incomplete or ambiguous information. It is applicable to the unknown, physical measurements that have already been performed, and forecasts of future events. It can occur in a variety of fields, such as insurance, philosophy, physics, statistics, economics, finance, medicine, psychology, sociology, engineering, metrology, meteorology, ecology, and information science. For instance, if it is unknown whether or not it will rain tomorrow, then there is a state of uncertainty. Uncertainty can also arise in partially observable or stochastic environments, as well as due to ignorance, indolence, or both. Weather forecasts or even just a calibrated probability assessment can be used to apply probability to the potential outcomes, quantifying the uncertainty. Let's say there is a 90% likelihood of sunshine.
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A birdie with a mass of 0.005 kg is served at a speed of 90 m/s (This is over 200 mph!). Determine its kinetic energy. A) 0.001125 J. B) 0.45 J. C) 20.25 J. D) 40.5 J
Answers
Answer: C. 20.25J
Explanation: KE = 1/2 m v^2
m= .005, v= 90
1/2 * .005 * 90^2 = 20.25J
An unknown element X has the following isotopes: ¹²⁶X (22.00% abundant), ¹²⁸X (34.00% abundant), ¹³⁰X (44.00% abundant). What is the average atomic mass in amu of X?
Answers
The average atomic mass of element X is approximately 128.44 amu. The average atomic mass takes into account the relative abundances of the isotopes.
The average atomic mass is calculated by multiplying the mass of each isotope by its abundance and summing up these values. In this case, element X has three isotopes:
¹²⁶X, ¹²⁸X, and ¹³⁰X, with abundances of 22.00%, 34.00%, and 44.00% respectively.
To calculate the average atomic mass, we multiply the mass of each isotope by its abundance and sum up these values. The atomic mass of ¹²⁶X is 126 amu, ¹²⁸X is 128 amu, and ¹³⁰X is 130 amu.
Using the given abundances and atomic masses, we can calculate the average atomic mass as follows:
Average Atomic Mass = (126 amu × 0.22) + (128 amu × 0.34) + (130 amu × 0.44)
= 27.72 amu + 43.52 amu + 57.20 amu
= 128.44 amu
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The relation between linear and angular acceleration is:
Answers
Answer:
α=atr
the relationship between linear accelaration and linear accelaration is proportional. The greater the angular acceleration is, the larger the linear (tangential) acceleration.
State that there are positive and negative charges.
Answers
Yes there are
Explanation:
Both kind of charges exist. (e≈1.60 x 10^-19 C)
Charge is the intrinsic property of a body, that allows it to have either of two kinds of itself.
Positive elementary charge is
\({x}^{1 +} \)
And negative is
\( {x}^{1 -} \)
There are two types of electric charges in nature, they are positive and negative charges.
What is meant by charge ?
Charge is defined as the intrinsic property of matter, by which it experiences a force, when placed in an electromagnetic field.
Here,
In nature, there are two type of electric charges. They are positive charge and negative charge.
The two charges exists in the nature, because, the positive charge attracts the negative charge.
The earth is actually neutral in nature. If a positive charged body is connected to the earth, the positive charge will be drained to the ground. This can be clearly described that, when the surface of earth becomes positively charged, there occurs a potential difference between the surface and the ground.
As a result, the electrons flows from the ground to the surface. The negative charge and positive charges cancels each other and thus neutralizing the surface.
The same happens when a negative charged body is connected to the surface of earth, the charge will be neutralized by the positive charge.
Hence,
There are two types of electric charges in nature, they are positive and negative charges.
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the moon keeps one side facing the earth because it doesn't rotate on its axis.
Answers
The moon actually does rotate on its axis; however, it keeps one side facing the Earth due to a phenomenon called "tidal locking." Tidal locking occurs when the gravitational pull of a larger celestial body (in this case, Earth) causes the smaller body (the moon) to rotate at the same rate as its orbital period.
As a result, the same side of the moon always faces Earth, giving us the impression that it doesn't rotate on its axis. This process takes place over time and is due to the gravitational interaction between the two bodies.
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Pls help me!!!!!!!!!!!!!!!!!
Answers
Answer:they are a renewable source
Explanation: because they come from the ocean and the ocean is 75% of the world so there will always be waves.
All movement is energy. The world's tides, ocean waves and river currents all contain kinetic and potential energy that can be used to drive turbines and produce electricity, reducing our dependence on fossil fuels.
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Granules on the surface of the sun appear to be plasma boiling. This is caused by _________________ in the plasma.
Answers
The granules on the surface of the Sun appear to be plasma boiling because of convection processes which occurs within the solar plasma. Convection is the transfer of heat from the movement of a fluid, Here it is from the plasma within the Sun.
The interior region of sun is very hot causing the plasma to heat and rise the temperature towards the sun. As the plasma rises it causes upwellings or convective cells which carries heat and energy from interior to the surface which results in boiling of granules.
The granular pattern seen on the Sun's surface is because of the rising plasma's magnetic and thermal fields. The darker regions within the granules are downdrafts, which are pockets of somewhat cooler plasma that are reserve in the interior protion of the plasma. The Sun's surface is constantly changing, and this dynamic convection process plays a crucial role in sustaining both its energy output and magnetic activity.
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Module 3 Discussion!
After reading Ch.12 and 13 of the text (The essentials of Finance and Accounting for nonfinancial managers/ Third Edition) on Strategy and Financial Forecasting, watching the SWOT video based on Paley’s Products from the Ratio Analysis in Module 2 and the additional narrative information in Appendix C, Phase
Create a SWOT analysis that will reflect the TOWS analysis as described in Ch. 12 of the text. The purpose of the SWOT analysis is to lay out several issues and possibilities to be considered in Paley’s strategic planning. The strengths and weaknesses are internal issues, whereas the opportunities and threats are external.
The second part of the analysis is to create actions based on the SWOTs. This is sometimes called a TOWS analysis and is done by comparing the boxes, two at a time:
Offensive actions come from strengths that link to opportunities, so a specific strength can be applied to exploit an opportunity.
Adjusting actions come from addressing weaknesses, which then can be used to exploit opportunities that previously had not been possible.
Turnaround actions come from weaknesses that link to threats. These are high-risk issues where a priority needs to be given to addressing the weakness to minimize the vulnerability.
Defensive actions come from threats that link to strengths. These are latent issues because if the threat materializes, an already-existing strength is available to counter it.
Additional actions can be included to address other issues not directly identified in the SWOTs.
3. From the actions identified in part 2, pick 3-5 strategic actions that you feel Paley must achieve or at least start in the upcoming year and state your reasons for including them.
Attach your completed SWOT form and list of strategic actions with supporting logic and facts from the case as your answer for this discussion question. These actions are the foundation for the strategic plan
Answers
SWOT Analysis Strengths- Paley’s Products has a low overhead cost with the company operating at a high level of efficiency, resulting in competitive pricing.- They have a team of experienced employees who have worked in the industry for several years.- They have a variety of products in the portfolio that can satisfy customers from different sectors.- They are reputable and have a loyal customer base.Weaknesses- They have been slow to adopt new technology, and this may be a disadvantage to the company.- Limited marketing and sales promotion are affecting their sales revenue.-
They depend on a few key customers for the bulk of their sales revenue, leaving them vulnerable to market changes.Opportunities- Expansion of the product line to include unique products.- The establishment of strategic partnerships with other businesses in the industry.- Exploration of new markets, such as international markets.- Improvement of marketing techniques to increase brand awareness.Threats- Changes in consumer preferences towards environmentally friendly products.- Increase in competition from other businesses in the industry.- Fluctuating market prices for raw materials that may lead to price increases.
Strategic Actions to be taken by Paley Products1. Development of an E-commerce platform to allow online transactions with customers. The E-commerce platform will enable Paley to reach a wider customer base, expand its reach, and increase sales revenue.2. Investment in the research and development of new environmentally friendly products. Paley will remain competitive and cater to the needs of consumers who prefer green products.3. Establishment of strategic partnerships with other businesses in the industry to leverage the strength of other companies in the industry and to develop new products or increase market share.4. Improvement of marketing techniques to increase brand awareness and improve visibility. A marketing strategy that incorporates social media and other digital channels can help promote the brand to potential customers.5. Expansion into international markets. This will enable Paley to diversify its customer base and generate more revenue. Paley can start by targeting nearby countries, then expand globally as they gain more experience and financial stability.
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Which of Newton’s laws best describes why the penny hung in the air for a split second?
Answers
An element is an electric heating unit is applied to 232-volt power supply. The current flow through the element is 19 amperes. What is the resistance of the element?
8 ohms
10 ohms
12 ohms
14 ohms
Answers
The resistance of the electric heating element can be determined using Ohm's law, which states that resistance (R) is equal to voltage (V) divided by current (I). In this case, the voltage across the element is given as 232 volts and the current flowing through it is 19 amperes. The correct option is 12 ohms.
Applying Ohm's law, we calculate the resistance as:
R = V / I
R = 232 volts / 19 amperes
R ≈ 12 ohms
Therefore, the resistance of the element is approximately 12 ohms. This means that for every ampere of current flowing through the element, there is a voltage drop of 12 volts. The resistance value of 12 ohms indicates that the element has a moderate level of electrical resistance, which allows it to generate heat efficiently when current flows through it. Thus, the correct option is 12 ohms.
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