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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