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Moving Charges and Magnetism question

2001 · Q128
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Moving Charges and Magnetism question

2001 · Q128

NEETPhysicsMoving Charges and MagnetismMCQ+4 / −1
If number of turns, area and current through a coil is given by n, A and iii respectively then its magnetic moment will be
  1. A
    niAniAniA
  2. B
    n2iA{n^2}iAn2iA
  3. C
    niA2ni{A^2}niA2
  4. D
    niA{{ni} \over {\sqrt A }}A​ni​
View written solutionFree

Correct answer: A

Magnetic moment M = niA

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