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AP EAMCET202423 May 2024Morning ShiftPhysicsMagnetic Effects of CurrentActual

A charge ' q ' is spread uniformly over an isolated ring of radius ' R '. The ring is rotated about its natural axis with angular speed . The magnetic dipole moment of the ring is

Options

  1. Aq R 2
  2. Bq R^2
  3. Cq R^2 2
  4. Dq 2 R

Correct answer

C. q R^2 2

Step-by-step solution

aligned & Magnetic moment, & M= ( q 2 m ) L & = ( q 2 m ) (m R^2 ) & = q R^2 2 aligned

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