Complete the following sentences :
(a) When current flows in a wire, it creates .....
(b) On reversing the direction of current in a wire, the magnetic field produced by it gets .....
(c) A current carrying solenoid behaves like a ......
(d) A current carrying solenoid when freely suspended, it always rests in ....... direction.

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Solution

(a)When current flows in a wire, it creates a magnetic field around it.

(b) On reversing the direction of current in a wire, the magnetic field produced by it gets reversed.

(c) A current carrying solenoid behaves like a bar magnet.

(d) A current carrying solenoid when freely suspended, it always rests in north-south direction.

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Why does a current carrying freely suspended solenoid rest along a particular direction? State the direction in which it rests.

When a solenoid that is carrying current is freely suspended, it comes to rest along a particular direction. This happens because:

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