Question 3:
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:
(d)The magnetic field inside a long, straight, current-carrying solenoid is uniform. It is
the same at all points inside the solenoid.
Latest Govt Job & Exam Updates: