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Q.

Is it true that a galvanometer connected with a solenoid will not deflect when a bar magnet is inserted in a solenoid?


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a

True

b

False 

answer is B.

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Detailed Solution

The above statement is False.
A current will be induced when a bar magnet is inserted into a solenoid. The only way to induce a current in a solenoid is by moving a magnet near the solenoid. It is called electromagnetic induction. Thus by the induced current, the galvanometer will be deflected.
The correct statement will be that a galvanometer connected with a solenoid will deflect when a bar magnet is inserted into a solenoid.
 
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