InterviewSolution
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InterviewSolution
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A coil of insulated copper wireis connected to a galvanometer. Whathappensif a bar magnet is [i] pushed intothe coil [ii] withdrawnfrominside the coil [iii] held stationary inside the coil ? |
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Answer» SOLUTION :i] if a bar MAGNET is pushed into the coil of insulated copper wire, galvanometershows a deflection as CURRENTIS INDUCED in the coil. ii] Whenthe bar magnetis withdrawn form the coil, currentis induced and hence, the galvanometeragain shows a deflection but in the opposite direction. iii] Whenthe bar magnet is heldstationaryinside the coil, the galvanometerdoes not showany deflection as there is no induced current. |
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