A coil of insulated copper wire is connected to a torch bulb. State the likely
'response' of the bulb, if a bar magnet is-
(a) pushed into the coil?
(b) pulled out of the coil?
(c) held stationery within the coil?
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Answer:
(i) bulb will start glowing but with a low current
(ii) bulb will glow brightly
(iii) no effect
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