Moving Charges and Magnetism

Related Questions

• A proton moving with a velocity, $2.5 \times {10^7}m/s$, enters a magnetic field of intensity 2.5T making an angle ${30^o}$ with the magnetic field. The force on the proton is

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• In the figure, what is the magnetic field at the point O

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• When a certain length of wire is turned into one circular loop, the magnetic induction at the centre of coil due to some current flowing is ${B_1}$ If the same wire is turned into three loops to make a circular coil, the magnetic induction at the center of this coil for the same current will be

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• The current is flowing in south direction along a power line. The direction of magnetic field above the power line (neglecting earth's field) is

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• Two particles A and B of masses ${m_A}$ and ${m_B}$ respectively and having the same charge are moving in a plane. A uniform magnetic field exists perpendicular to this plane. The speeds of the particles are ${v_A}$ and ${v_B}$ respectively, and the trajectories are as shown in the figure. Then

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