A coil of insulated wire is connected to a galvanometer. What would be seen if a bar magnet with its south pole towards one face of the coil is
(i) moved quickly toward it
(ii) moved quickly away from it
(iii) placed near its one face ?
These activities are then repeated with north pole of the magnet. What will be the observations?
(b) Name and define the phenomenon involved in above activities.
(c) Name the rule which can determine the direction of current in each case.

Explanation

### Step-by-Step Solution

**(i) When the south pole of the magnet is moved quickly towards the coil:**
- As the south pole of the magnet approaches the coil, the galvanometer will deflect to the left. This indicates that a current is induced in the coil due to the changing magnetic field.

**(ii) When the south pole of the magnet is moved quickly away from the coil:**
- When the south pole is moved away from the coil, the galvanometer will deflect to the right. This shows that the direction of the induced current has changed as the magnet is moving away.

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