Multiple choice question XXI — task. Science CBSE, Class 10.

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1. In which of the following cases with a bar magnet and the solenoid no induced emf is produced?

When magnet is inserted
When magnet is withdrawn
When coil moved towards or away from the magnet
When the relative velocity of the coil with respect to the magnet is zero

2. The north pole of a bar magnet is rapidly introduced into a solenoid at the end A. Which of the following statements correctly depicts the phenomenon taking place?

No induced emf is developed
The end A of the solenoid behaves like a south pole
The end A of the solenoid behaves like a north pole
The end A of the solenoid acquires positive potential

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21. Multiple choice question XXI

Exercise condition: