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:A
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.