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Q.

What happens to the direction of the force in a current-carrying conductor when the direction of the current is reversed?

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a

The force remains unchanged.

b

The force shifts 60o towards the East.

c

The force gets reversed.

d

The force shifts 60o towards the West.

answer is C.

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Detailed Solution

The direction of force also gets reversed when the direction of current through the conductor is reversed. 

Because the force experienced by the current-carrying conductor placed in a magnetic field is:

F = I(lxB) = IlBsinθ

 

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