Question

Choose the correct option.
The magnetic field inside a long straight solenoid-carrying current
(a) is zero.
(b) decreases as we move towards its end.
(c) increases as we move towards its end.
(d) is the same at all points.​

Answer 1

(d) is the same at all points...

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Answer 2

option (d)

The magnetic field inside a long straight current carrying conductor is uniform which is represented by parallel lines . Hence , the magnetic field inside a long straight solenoid carrying current is the same at all points .