Moving Charges and Magnetism

Related Questions

• In hydrogen atom, an electron is revolving in the orbit of radius $0.53\,{\AA}$ with $6.6 \times {10^{15}}$ rotations/second. Magnetic field produced at the centre of the orbit is

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• A long solenoid of length L has a mean diameter D. It has n layers of windings of N turns each. If it carries a current‘i’ the magnetic field at its centre will be

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• Two long straight wires are set parallel to each other. Each carries a current i in the same direction and the separation between them is 2r. The intensity of the magnetic field midway between them is

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• A particle of charge $ - 16 \times {10^{ - 18}}$coulomb moving with velocity $10\,\,m{s^{ - 1}}$ along the x-axis enters a region where a magnetic field of induction B is along the y-axis, and an electric field of magnitude ${10^4}\,\,V/m$is along the negative z-axis. If the charged particle continues moving along the x-axis, the magnitude of B is

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• The magnetic moment of a current carrying loop is $2.1 \times {10^{ - 25}}\,amp \times {m^2}$. The magnetic field at a point on its axis at a distance of $1\,{\AA}$ is

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