Electromagnetic Induction - Result Question 17
17. 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
Topic 2: Motional and Static EMI & Applications of EMI
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Answer:
Correct Answer: 17. (c)
Solution:
- (c) When a circuit is broken, the induced e.m.f. is largest. So the answer is (c).
