A coil of insulated copper wire is connected to a galvanometer. What will happen if a strong bar magnet with its south pole towards one face of the coil is :a) pushed into the coil b) withdrawn from inside the coil c) held stationary inside the coil ?d)Name the phenomena involved. e) State the conclusion based on the observations in (i),(ii) and (iii)
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Effect of a bar magnet on the galvanometer :
Explanation:
An insulated coil of insulated copper wire is connected to a galvanometer. When a strong bar magnet with its south pole towards one face of the coil is then there is deflection in the coil.
a) pushed into the coil:
once a magnet is pushed near a magnet then it induces current thanks to magnetism induction.
b) withdrawn from inside the coil :
once the magnet is withdrawn from within the coil of the insulated copper wire once more the present is evoked within the coil however now it's in a reverse direction.
c) held stationary inside the coil :
once a magnet is controlled stationery within the coil then no current is induced that’s why the galvanometer can show no deflection.
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