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?
Question: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?
1.No induced emf is developed.
2.The end A of the solenoid behaves like a south pole.
3.The end A of the solenoid behaves like north pole.
4.The end A of the solenoid acquires positive potential.
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