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27/09/2021 8:04 pm
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A coil of insulated copper wire is connected to a galvanometer. What will happen if a bar magnet is:
(a) pushed into the coil?
(b) withdrawn from inside the coil?
(c) held stationary inside the coil?
1 Answer
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27/09/2021 8:05 pm
(a) There will be a momentary deflection in the needle of the galvanometer towards the right This indicates that a current flows through the coil.
(b) The needle of the galvanometer deflect towards left showing that the current is set opposite to the direction of the previous flow.
(c) There will be no deflection in the needle of galvanometer.