Moving Charges and Magnetism

Related Questions

• Two ions having masses in the ratio $1 : 1$ and charges $1 : 2$ are projected into uniform magnetic field perpendicular to the field with speeds in the ratio $2 : 3$. The ratio of the radii of circular paths along which the two particles move 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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• An electron (mass = $9 \times 10^{–31}$ kg. Charge = $1.6 \times 10^{–19}$ C) whose kinetic energy is $7.2 \times 10^{–18}$ joule is moving in a circular orbit in a magnetic field of $9 \times 10^{–5} weber/m^2$. The radius of the orbit is

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• The expression for the torque acting on a coil having area of cross-section A, number of turns n, placed in a magnetic field of strength B, making an angle $\theta $ with the normal to the plane of the coil, when a current i is flowing in it, will be

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• A current iampere flows along the inner conductor of a coaxial cable and returns along the outer conductor of the cable, then the magnetic induction at any point outside the conductor at a distance rmetre from the axis is

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