Multiple choice

A copper coil is placed between N and S poles of a magnet and connected to a galvanometer. In which of the following conditions will there be no deflection in the galvanometer?

  1. N pole of the magnet is moved inwards.

  2. Coil and magnet both are stationary.

  3. Coil is moved upwards.

  4. S pole of the magnet is moved outwards.

  5. -

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

This is the correct answer. When there is no movement in either the magnet or the coil, there will be no induced current in the circuit and hence no deflection.