Recent questions tagged moving-charge-and-magnetism

A current carrying wire is kept along a magnetic line of force. The force experienced by the wire due to the magnetic field is

asked Feb 21, 2014 by thanvigandhi_1

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An electron falling under gravity enters a region of uniform magnetic field pointing north to south. The particle will deflect towards

asked Feb 21, 2014 by thanvigandhi_1

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If a current carrying coil having a magnetic moment $ \overrightarrow M$ is placed in a magnetic field $ \overrightarrow B$ , then the torque acting on it will be

asked Feb 21, 2014 by thanvigandhi_1

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A particle is moving with velocity $ \hat i+ 3\hat j$ and it produces an electric field $ 2\hat k$ at a point. It will produce magnetic field at that point equal to

asked Feb 21, 2014 by thanvigandhi_1

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The amount of energy gained in half a revolution by an electron of mass m, velocity v and charge e in a uniform magnetic field is

asked Feb 21, 2014 by thanvigandhi_1

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When a charged particle passes through a region of uniform magnetic field

asked Feb 21, 2014 by thanvigandhi_1

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Two observers moving with different velocities see that a point charge produces same magnetic field at a point $A$. Their relative velocity must be parallel to , $ \overrightarrow r$ where $ \overrightarrow r$ is the position vector of point $A$ w.r.t. the point charge. This statement is

asked Feb 21, 2014 by thanvigandhi_1

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A current carrying loop in a magnetic field behaves like a

asked Feb 21, 2014 by thanvigandhi_1

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A wire of length $\ell$ carrying a current $i$ is bent to form a circle. Its magnetic moment is

asked Feb 21, 2014 by thanvigandhi_1

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The direction of magnetic lines of force produced by passing a direct current through a conductor is determined by

asked Feb 21, 2014 by thanvigandhi_1

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A proton moves in a circular path perpendicular to a magnetic field. If the intensity of the field is doubled and the radius of the circular path is constant, then the kinetic energy of the particle has

asked Feb 21, 2014 by thanvigandhi_1

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Which of the following statement is false for the equation $ \overrightarrow F = q( \overrightarrow V \times \overrightarrow B)$

asked Feb 21, 2014 by thanvigandhi_1

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Two protons whose velocities are in the ratio $4 : 1$, move perpendicular to a uniform magnetic field, the ratio of the radii of their paths will be

asked Feb 21, 2014 by thanvigandhi_1

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The intensity of the magnetic field due to a current carrying coil is maximum at

asked Feb 21, 2014 by thanvigandhi_1

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The intensity of the magnetic field at any point due to a current carrying element depends on

asked Feb 21, 2014 by thanvigandhi_1

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A constant current flows along the length of a thin-walled, infinitely long, cylindrical pipe. Then magnetic field

asked Feb 21, 2014 by thanvigandhi_1

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A particle of charge $q$ and mass $m$ moves in a circular orbit with radius $r$ and angular speed $ \omega$. The ratio of the magnitude of magnetic moment to its angular momentum depends on

asked Feb 21, 2014 by thanvigandhi_1

1 answer