Moving Charges and Magnetism

Related Questions

• An arc of a circle of radius R subtends an angle $\frac{\pi }{2}$ at the centre. It carries a current i. The magnetic field at the centre will be

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• An electron enters a region where magnetic (B) and electric (E) fields are mutually perpendicular to one another, then

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• An arbitrary shaped closed coil is made of a wire of length L and a current I ampere is flowing in it. If the plane of the coil is perpendicular to magnetic field $\mathop B\limits^ \to $, the force on the coil is

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• The ratio of the magnetic field at the centre of a current carrying coil of the radius a and at a distance ‘a’ from centre of the coil and perpendicular to the axis of coil is

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• An electron moves in a circular orbit with a uniform speed v. It produces a magnetic field B at the centre of the circle. The radius of the circle is proportional to

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