Physics · Magnetic Effects of Current
Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A): A planar loop of irregular shape carrying current is subjected to a magnetic field acting perpendicular to the plane of the loop. If the wire is flexible, the loop takes a circular shape. Reason (R): The force acting on each point of a current-carrying loop, in a magnetic field perpendicular to its plane, is radially outward (or inward depending on current direction, tending to maximize the magnetic flux and area into a circle). Select the correct answer from the options given below:
- 1Assertion (A) is false and Reason (R) is also false.
- 2Assertion (A) is true, but Reason (R) is false.
- 3Both Assertion (A) and Reason (R) are true, but Reason (R) is not the correct explanation of Assertion (A).
- 4Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of Assertion (A).✓
Correct answer
Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of Assertion (A).
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