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.?

No induced emf is developed

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The end A of the solenoid behaves like a south pole.

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The end A of the solenoid behaves like north pole.

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The end A of the solenoid acquires positive potential.

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Solution

The correct option is C The end A of the solenoid behaves like north pole.
It happens in accordance with the Lenzs law. The end A becomes north pole, to oppose the motion of the magnet.

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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.?

The correct option is C The end A of the solenoid behaves like north pole.It happens in accordance with the Lenzs law. The end A becomes north pole, to oppose the motion of the magnet.

The correct option is C The end A of the solenoid behaves like north pole.
It happens in accordance with the Lenzs law. The end A becomes north pole, to oppose the motion of the magnet.