Find the direction of the current through the resistor R in the figure below. (a

Question

Find the direction of the current through the resistor R in the figure below.

(a) as the variable resistance in the circuit on the left is increased.

(b) as the variable resistance in the circuit on the left is kept constant

(c) as the circuit on the right is moved to the right.

Please give your reasoning for each response.

Find the direction of the current through the resistor R in the figure below. (a) as the variable resistance in the circuit on the left is increased. (b) as the variable resistance in the circuit on the left is kept constant (c) as the circuit on the right is moved to the right. Please give your reasoning for each response.

Explanation / Answer

a)From left to right

Because the battery will produce a clockwise current in left side. the right coil will oppose the change due to induced anticlockwise current in right side.

b)From left to right

No change in the magnitude or direction will not harm the induced current in anyway.

c)From left to ruight

The distance incresed will lead to decrease in the magnitude of induced current but the direction remains unchanged.

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