WBJEE 2013 Physics Solved Paper

Question : 57 of 60

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An electron of charge e and mass m is moving in circular path of radius r with a uniform angular speed ω. Then whichof the following statements are correct ?

The equivalent current flowing in the circular path is proportional to r2
The magnetic moment due to circular current loop is independent of m
The magnetic moment due to circular current loop is equal to 2e/m time the angular momentum of the electron
The angular momentum of the particle is proportional to the areal velocity of electron

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