Moving Charges and Magnetism

Related Questions

• An electron (mass = 9.0×${10^{ - 31}}$kg and charge =..coulomb) is moving in a circular orbit in a magnetic field of $1.0 \times {10^{ - 4}}\,weber/{m^2}.$ Its period of revolution is

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• A part of a long wire carrying a current i is bent into a circle of radius r as shown in figure. The net magnetic field at the centreO of the circular loop is

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• A circular loop of area $0.01{m^2}$ carrying a current of 10 A, is held perpendicular to a magnetic field of intensity 0.1T. The torque acting on the loop is

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• If an electron enters a magnetic field with its velocity pointing in the same direction as the magnetic field, then

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• If m is magnetic moment and B is the magnetic field, then the torque is given by

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