Electromagnetic Induction Ques 9

9. In the circuit of Fig, the bulb will become suddenly bright if

[1989]

(a) contact is made or broken

(b) contact is made

(c) contact is broken

(d) won’t become bright at all

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Answer:

Correct Answer: 9.(c)

Solution:

  1. (c) When a circuit is broken, the induced e.m.f. is largest. So the answer is (c).