Physics-Magnetic Force on Current

NEET Physics Magnetic Force on Current MCQ Question

Type: MCQ-fact-Hard-Class 12

What is the expression for the magnetic moment of a current loop?

A

m = I A

B

m = I R

C

m = I L

D

m = B A

Correct Answer

Option A

Detailed Explanation

The magnetic moment of the current loop is defined as m = I A, where I is the current and A is the area of the loop, as stated in the provided NCERT context.

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