Class 12 Exam > Class 12 Questions > Eddy currents do not cause:a)sparkingb)heatin...
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Eddy currents do not cause:
- a)sparking
- b)heating
- c)loss of energy
- d)damping
Correct answer is option 'A'. Can you explain this answer?
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Eddy currents do not cause:a)sparkingb)heatingc)loss of energyd)dampin...
During braking, the metal wheels are exposed to a magnetic field from an electromagnet, generating eddy currents in the wheels. So, by Lenz's law, the magnetic field formed by the Eddy current will oppose its cause. Thus the wheel will face a force opposing the initial movement of the wheel.
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Eddy currents do not cause:a)sparkingb)heatingc)loss of energyd)dampin...
Eddy currents do not cause sparking.
Explanation:
Eddy currents are the currents that are induced in a conductor due to the changing magnetic field. These currents flow in closed loops and create a magnetic field that opposes the changing magnetic field that induced it. Eddy currents can cause heating, loss of energy and damping, but they do not cause sparking.
Sparking is caused when there is a sudden discharge of electric current through a gap in a circuit. This discharge happens when there is a high voltage difference between two points in the circuit, and it causes a spark to jump across the gap. Sparking can occur due to various reasons such as a loose connection, a damaged insulation, or a faulty component in the circuit.
Eddy currents, on the other hand, are not related to the voltage difference in the circuit. They are caused by the changing magnetic field and do not create a high voltage difference that can cause sparking. Eddy currents can cause heating, loss of energy, and damping, but they do not cause sparking.
In conclusion, eddy currents are a phenomenon that occurs due to the changing magnetic field and can cause heating, loss of energy, and damping. However, they do not cause sparking in a circuit.
Explanation:
Eddy currents are the currents that are induced in a conductor due to the changing magnetic field. These currents flow in closed loops and create a magnetic field that opposes the changing magnetic field that induced it. Eddy currents can cause heating, loss of energy and damping, but they do not cause sparking.
Sparking is caused when there is a sudden discharge of electric current through a gap in a circuit. This discharge happens when there is a high voltage difference between two points in the circuit, and it causes a spark to jump across the gap. Sparking can occur due to various reasons such as a loose connection, a damaged insulation, or a faulty component in the circuit.
Eddy currents, on the other hand, are not related to the voltage difference in the circuit. They are caused by the changing magnetic field and do not create a high voltage difference that can cause sparking. Eddy currents can cause heating, loss of energy, and damping, but they do not cause sparking.
In conclusion, eddy currents are a phenomenon that occurs due to the changing magnetic field and can cause heating, loss of energy, and damping. However, they do not cause sparking in a circuit.
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