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Q.

Is it true that if a copper coil is connected to a galvanometer and no deflection is observed in the galvanometer when a bar magnet is held at rest inside the coil?


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a

True

b

False 

answer is A.

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Detailed Solution

The above statement is True.
No deflection is observed in the galvanometer when a bar magnet is held at rest inside the coil.
Here, we can say that whenever the magnet is at rest, there is no deflection in the galvanometer. It implies that no current is generated in the coil when used in this manner. Thus, there will be no deflection observed in the galvanometer once a bar magnet is held at rest inside the coil if a copper coil is connected to a galvanometer.
 
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