Electromagnetic Field Theory
A conductor is rotating with in a magnetic field. At which of the positions do the peak voltages occur?

 At right angles to the axis of the magnetic field.
 Anywhere.
 Along the axis of the magnetic field.
 At an angle of 45° to the axis of the magnetic field.

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Electromagnetic Field Theory
Two spheres of radius r1 and r2 are connected by a conducting wire. Each of the spheres has been given a charge Q. Now

 larger sphere will have smalled potential.
 both of sphere will have same potential.
 larger sphere will have greater potential.
 smaller sphere will have zero potential.

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