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Class 12 Physics Practice Test: Faraday's Law of Induction
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Avg score: 64% • Most missed: “What is proportional to the magnitude of the induced emf in the circuit?”

First law: It states that whenever there is a change in magnetic flux associated with a coil, EMF is induced in that coil.

Second law: It states that the magnitude of EMF induced in the coil is directly proportional to the rate of change of magnetic flux associated with that coil.

Class 12 Physics Practice Test: Faraday's Law of Induction
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5 Questions

1. The magnetic flux in a closed circuit of resistance 20 Ω varies with time t as Φ = 4t3 + 2t2 – 15t + 3. Calculate the magnitude of induced emf at t = 1s.
2. Faraday’s laws are result of the conservation of which quantity?
3. What is proportional to the magnitude of the induced emf in the circuit?
4. Which among the following is true about Faraday’s law of Induction?
5. The induced emf persists only as long as the change in magnetic flux continues.

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