Question

What will happen when.

(i) magnet is moved towards the coil

(ii) magnet is moved away from the coil

(iii) magnet is held stationary​

Answer 1

Answer:

opposite attraction so it induced current oppose ( lenz law )

Answer 2

Answer:

1) When the magnet is stationary, there is no current in the coil. However, if we move the magnet towards the coil, the ammeter flicks to the right. Now let's pull the magnet out. The coil flicks to the left.

2) So the induced current opposes the motion that induced it (from Lenz's Law). When we pull the magnet out, the left hand end of the coil becomes a south pole (to try and hold the magnet back). ... Although it is the coil that is moving, this works on the same principle - a magnet magnetic field moving relative to a coil.

3) When the magnet is held stationary in the coil, there will be a magnetic flux in the coil but it will remain constant. Since the magnetic flux does not change, there is no induced current in the coil and the galvanometer shows no deflection.

Explanation:

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