Lenz Law

Practice Questions:

Question 1: moderate

A metallic ring is attached with the wall of a room. When the north pole of a magnet is brought near to it, the induced current in the ring will be

1. First clockwise then anticlockwise

2. In clockwise direction

3. In anticlockwise direction

4. First anticlockwise then clockwise

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Question 2: moderate

Two coils carrying current in opposite direction placed co-axially as shown in figure. Now that brought closer to each other, than :

1. Current will increase in both the coils.

2. Current will decrease in both the coils.

3. Current increases in coil I & decreases in coil II.

4. Current decreases in coil I and increases in coil II.

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Question 3: moderate

Using Lenz’s Law, determine the direction of current flow in the loop for each of the two
situations shown below.

1. anticlockwise for (a) and Clockwise for (b)

2. clockwise for (a) and Clockwise for (b)

3. anticlockwise for (a) and Anticlockwise for (b)

4. clockwise for (a) and Anticlockwise for (b)

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