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A thin disc of radius R has charge Q uniformly distributed over its surface. The disc is rotated about one of its diametric axis with angular velocity w(omega). Then the magnetic moment of this arrangement is QR 2 w/8 QR 2 w/4 QR 2 w/2 QR 2 w

A thin disc of radius R has charge Q uniformly distributed over its surface. The disc is rotated about one of its diametric axis with angular velocity w(omega). Then the magnetic moment of this arrangement is
  1. QR2w/8
  2. QR2w/4
  3. QR2w/2
  4. QR2w

Grade:12

1 Answers

ROSHAN MUJEEB
askIITians Faculty 829 Points
9 months ago
option 2 is correct.use M/L=Q/2m

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