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Electromagnetic Induction Quiz
Class XII
Physics
Electromagnetic Induction
12 questions
MEDIUM
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Preview questions
1. What is the phenomenon of inducing an electromotive force (emf) in a circuit due to a change in magnetic field called?
Electrolysis · Electromagnetic Induction · Magnetic Resonance · Electrostatics
2. Which law states that the induced emf in a closed loop is equal to the rate of change of magnetic flux through the loop?
Faraday's Law · Lenz's Law · Ampere's Law · Gauss's Law
3. According to Lenz's Law, the direction of induced current is such that it opposes the change in what?
Temperature · Magnetic Flux · Electric Field · Resistance
4. What is the unit of magnetic flux?
Weber · Tesla · Henry · Volt
5. What happens to the induced emf if the rate of change of magnetic flux is increased?
It decreases · It remains constant · It increases · It becomes zero
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