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Using Lenz's Law

A current car...

Question

A current carrying solenoid is approaching a conducting loop as shown in the figure. The direction of induced current as observed by an observer on the other side of the loop will be

A

Anticlockwise

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B

Clockwise

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C

East

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D

West

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Solution

The correct option is B Clockwise
The direction of current in the solenoid is anti-clockwise as seen by observer. On displacing it towards the loop a current in the loop will be induced in a direction so as to oppose the change in the magnetic field caused due to the solenoid. Therefore, the direction of the induced current as observed by the observer will be clockwise.

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