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In the circuit of Fig, the bulb will become suddenly bright if (a) Contact is made or broken (b) Contact is made (c) Contact is broken (d) Wont become bright at all



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


 


 


        (a)    Contact is made or broken


(b)    Contact is made


(c)    Contact is broken


(d)    Wont become bright at all


Grade:11

1 Answers

Hrishant Goswami
343 Points
7 years ago

(c)   

When a circuit in broken, the induced e.m.f. is largest.

So the answer is (c).

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