Moving Charges and Magnetism

Related Questions

• Two parallel conductors A and B of equal lengths carry currents I and 10 I, respectively, in the same direction. Then

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• Three long, straight and parallel wires carrying currents are arranged as shown in the figure. The wire C which carries a current of 5.0 amp is so placed that it experiences no force. The distance of wire C from wire D is then

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• A wire in the form of a square of side ‘a’ carries a current i. Then the magnetic induction at the centre of the square wire is (Magnetic permeability of free space = ${\mu _o}$)

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• An electric field of 1500 V / m and a magnetic field of $0.40 weber / meter^2$ act on a moving electron. The minimum uniform speed along a straight line the electron could have is

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• A current of 0.1 A circulates around a coil of 100 turns and having a radius equal to 5 cm. The magnetic field set up at the centre of the coil is $({\mu _0} = 4\pi \times {10^{ - 7}}\,weber/ampere - metre)$

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