1.

What is a solenoid ? Mention two ways to increase the strength of the field of a solenoid

Answer»

Solution :A coil of MANY circular turns of INSULATED copper wire wrapped closely in the shape of CYLINDER is called a solenoid.
TWO ways to increase the strength of the field of a solenoid
(i) By increasing the number of turns.
(ii) By increasing CURRENT.


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