Moving Charges and Magnetism

Related Questions

• In hydrogen atom, the electron is making $6.6 \times {10^{15}}\,rev/\sec $ around the nucleus in an orbit of radius 0.528 Å. The magnetic moment $(A - {m^2})$ will be

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• Two concentric coplanar circular loops of radii ${r_1}$ and ${r_2}$ carry currents of respectively ${i_1}$ and ${i_2}$ in opposite directions (one clockwise and the other anticlockwise.) The magnetic induction at the centre of the loops is half that due to ${i_1}$ alone at the centre. If ${r_2} = 2{r_1}.$ the value of ${I_2}/{I_1}$ 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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• Two thin, long, parallel wires, separated by a distance ‘d’ carry a current of ‘i’ A in the same direction. They will

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• A current carrying small loop behaves like a small magnet. If A be its area and M its magnetic moment, the current in the loop will be

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