Moving Charges and Magnetism

Related Questions

• A particle of mass 0.6 g and having charge of 25 nC is moving horizontally with a uniform velocity ${\rm{1}}{\rm{.2}} \times {\rm{1}}{{\rm{0}}^{\rm{4}}}m{s^{ - 1}}$ in a uniform magnetic field, then the value of the magnetic induction is $(g = 10\,m{s^{ - 2}})$

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• A straight conductor carries a current of 5A. An electron travelling with a speed of $5 \times {10^6}m{s^{ - 1}}$parallel to the wire at a distance of 0.1m from the conductor, experiences a force of

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• The magnetic induction at a point P which is distant 4 cm from a long current carrying wire is ${10^{ - 8}}\,Tesla$. The field of induction at a distance 12 cm from the same current would be

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• A current of 5 ampere is flowing in a wire of length 1.5 metres. A force of 7.5 N acts on it when it is placed in a uniform magnetic field of 2 Tesla. The angle between the magnetic field and the direction of the current is

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• The magnetic field at the centre of a circular coil of radius r carrying current $I$ is${B_1}$. The field at the centre of another coil of radius $2r$ carrying same current $I$ is${B_2}$. The ratio $\frac{{{B_1}}}{{{B_2}}}$ is

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