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a thin nonconductingring of mass m,radius carrying a charge q can rotate freely abouts its own axis which is vertical.At instant t=0,A uniform magnetic field is switched on which is vertically downward and increases with time according to the law B=Bo t.Neglecting magnetism induced due to rotational motion of ring. 1.what is the magnitude of induced emf? 2.what is the magnitude of electric field on the surface of the ring? 3.what is the angular acceleration of the ring? 4.what is the power developed by the electric force acting on the ring at t=1s?


a thin nonconductingring of mass m,radius carrying a charge q can rotate freely abouts its own axis which is vertical.At instant t=0,A uniform magnetic field is switched on which is vertically downward and increases with time according to the law B=Bo t.Neglecting magnetism induced due to rotational motion of ring.
1.what is the magnitude of induced emf?
2.what is the magnitude of electric field on the surface of the ring?
3.what is the angular acceleration of the ring?
4.what is the power developed by the electric force acting on the ring at t=1s?


Grade:upto college level

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