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Question

Physics Question on Magnetic Force

Given below are two statements, one is labelled as Assertion A and the other is labelled as Reason R

Assertion (A) : A wire bent into an irregular shape with the points PP and QQ fixed. If a current II passed through the wire, then the area enclosed by the irregular portion of the wire increases.

Reason (R) : Opposite currents carrying wires repel each other.

In the light of the above statements, choose the correct answer from the options given below

A

If both Assertion and Reason are true and Reason is correct explanation of Assertion.

B

If both Assertion and Reason are true but Reason is not the correct explanation of Assertion.

C

If Assertion is true but Reason is false.

D

If both Assertion and Reason are false.

Answer

If both Assertion and Reason are true and Reason is correct explanation of Assertion.

Explanation

Solution

Every current element on the irregular shaped wire having symmetric elements carrying current in opposite direction is causing repulsion and hence the area enclosed by the wire increases.