Home Physics Electromagnetic Induction Static EMI In the following circuit, the bulb will beco…
Physics Electromagnetic Induction Static EMI MCQ (Single Correct)

In the following circuit, the bulb will become suddenly bright if

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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Verified by Experts
The correct answer is:
C

When contact is broken, current in the circuit decreases. To oppose this inductor releases current and emf is induced. This induced emf is having high value hence bulb will become suddenly bright.

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