Question

The magnetic field inside a long straight  solenoid carrying current:

is zero

decreases as we move towards its end

is same at all points

Increases as we move towards its end​

Answer 1

Answer:

SAME AT ALL POINTS

Explanation:

It is because the magnetic field in the solenoid is constant because the lines are completely parallel to each other. Then the remains stay same throughout. It however reduces at an end when the lines move apart.

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