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Magnetics question

2018 · 16 Apr · Shift 1 · Q53
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Magnetics question

2018 · 16 Apr · Shift 1 · Q53

JEE MainPhysicsMagneticsMCQ+4 / −1
A charge q is spread uniformly over an insulated loop of radius r. If it is rotated with an angular velocity ω\omegaω with resect to normal axis then the magnetic moment of the loop is :
  1. A
    q ω\omegaω r2
  2. B
    43{4 \over 3}34​ q ω\omegaω r2
  3. C
    32{3 \over 2}23​ q ω\omegaω r2
  4. D
    12{1 \over 2}21​ q ω\omegaω r2
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