# A thin ring of 10 cm radius carries a uniformly distributed charge. The ring rotates at a constant angular speed of  rad  about its axis, perpendicular to its plane. If the magnetic field at its centre is  T, then the charge carried by the ring is clode to . Option 1) Option 2) Option 3) Option 4)

Answers (1)

We know that,

Magnetic field at the centre of a current carrying ring,

Option 1)

Option 2)

Option 3)

Option 4)

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