alleryStart learning →The orbital magnetic moment of an orbiting electron equals
Acurrent times orbit radius
Bcurrent times enclosed area
Ccharge times speed
Dmass times angular speed
Answer & Solution
Correct answer: B. current times enclosed area
For a current loop m = I A, with A the area enclosed by the orbit.
Keep practising Magnetic Materials
Browse all Magnetic Materials questions for MHT-CET, or explore more Physics topics.
Related questions
Sensitive instruments are protected from stray fields by enclosing them in a case ofElectromagnet cores are made of soft iron because it hasMaterials used for permanent magnets should haveThe reverse field H needed to bring B to zero in a hysteresis cycle is calledThe value of B left in a ferromagnet when H is reduced to zero is calledOn heating a ferromagnet, its domain structure distorts because exchange couplingThe temperature above which a ferromagnet behaves as a paramagnet is itsA region of a ferromagnet with all atomic moments aligned the same way is a