A coil of insulated copper wire is connected to a torch bulb.what would happen if a bar magnet is
(a) pushed into the coil?
(b) pulled out of the coil?
(c) held stationary within the coil?
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(a)when the barmagnet is pushed into the it acts as an electrifying conducter,(b) when pulled out of the barmagnet loses its conductance(c)it produces static electricity
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