Switch S is closed at t = 0. After sufficiently long time, an iron rod is inserted into…
Physics · Class 12 · CBSE — Electromagnetic Induction
Switch S is closed at t = 0. After sufficiently long time, an iron rod is inserted into the inductor L.
Then, the light bulb
- glows more brightly
gets dimmer
- glows with the same brightness
- gets momentarily dimmer and then glows more brightly
Answer
(B) gets dimmer
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