Answer: option d)
A long straight solenoid’s magnetic field is constant. The magnetic field in the solenoid is constant since the lines are parallel.
The magnetic field inside a long straight solenoid carrying current: a) is zero b) decreases as we move towards its ends c) increases as we move towards its ends d) is the same at all points
The magnetic field inside a long straight solenoid carrying current: a) is zero b) decreases as we move towards its ends c) increases as we move towards its ends d) is the same at all points