MCQ
A current carrying small loop behaves like a small magnet. If $A$ be its area and $M$ its magnetic moment, the current in the loop will be
- ✓$M/A$
- B$A/M$
- C$MA$
- D${A^2}M$
✓
Answer
Correct option: A.
$M/A$
a
(a) $M = iA \Rightarrow i = M/A$
(a) $M = iA \Rightarrow i = M/A$
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