AIIMS2004Physics-Magnetism
AIIMS 2004 Physics Magnetic Moment MCQ Question
Type: MCQ-conceptual-Medium-Class 12
The magnetic moment of a current (I) carrying circular coil of radius (r) and number of turns (n) varies as
A
1/r²
B
1/r
C
r
D
r²
Correct Answer
Option D
Detailed Explanation
The magnetic moment of a current carrying conductor is i : n π r² = niA.
Found an issue with this question?