Moving Charges and Magnetism

Related Questions

• A long wire A carries a current of 10 amp. Another long wire B, Which is parallel to A and separated by 0.1m from A, carries a current of 5 amp, in the opposite direction to that in A. what is the magnitude and nature of the force experienced per unit length of B$({\mu _0} = 4\pi \times {10^{ - 7}}\,weber/amp{\rm{ - }}m)$

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• A proton of mass m and charge +e is moving in a circular orbit in a magnetic field with energy 1 MeV. What should be the energy of $\alpha - $particle (mass = 4m and charge = + 2e), so that it can revolve in the path of same radius

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• A charged particle moves in a uniform magnetic field. The velocity of the particle at some instant makes an acute angle with the magnetic field. The path of the particle will be

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• Three long, straight parallel wires carrying current, are arranged as shown in figure. The force experienced by a 25 cm length of wire C is

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• A proton, a deuteron and an $\alpha - $particle having the same kinetic energy are moving in circular trajectories in a constant magnetic field. If ${r_p},\,{r_d}$ and ${r_\alpha }$ denote respectively the radii of the trajectories of these particles, then

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