question_answer

A current carrying long solenoid is placed on the ground with its axis vertical. A proton is falling along the axis of the solenoid with a velocity v. When the proton enters into the solenoid, it will

A)            Be deflected from its path

B)            Be accelerated along the same path

C)            Be decelerated along the same path

D)            Move along the same path with no change in velocity