Question

The magnetic field inside a long straight solenoid carrying current ______.

Options

• is zero

• decreases as we move towards its end.

• increases as we move towards its end.

• is same at all points.

Answer 1

The magnetic field inside a long straight solenoid carrying current is the same at all points.

Explanation:

An even magnetic field exists inside a current carrying solenoid. The field lines are straight and parallel to each other.