Question
Question: The north pole of a bar magnet is rapidly introduced into a solenoid at one end (say A). Which of th...
The north pole of a bar magnet is rapidly introduced into a solenoid at one end (say A). Which of the following statements correctly depicts the phenomenon taking place?
A
No induced emf is developed.
B
The end A of the solenoid behaves like a south pole.
C
The end A of the solenoid behaves like north pole.
D
The end A of the solenoid acquires positive potential.
Answer
The end A of the solenoid behaves like north pole.
Explanation
Solution
It happens in accordance with the Lenz’s law the end A becomes North Pole to oppose the motion of the magnet.