Moving Charges and Magnetism

Related Questions

• An electron enters a magnetic field whose direction is perpendicular to the velocity of the electron. Then

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• A 2 MeV proton is moving perpendicular to a uniform magnetic field of 2.5 tesla. The force on the proton is

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• The magnetic moment of a current (i) carrying circular coil of radius (r) and number of turns (n) varies as

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• A long solenoid is formed by winding 20 turns/cm. The current necessary to produce a magnetic field of 20 millitesla inside the solenoid will be approximately$(\frac{{{\mu _0}}}{{4\pi }} = {10^{ - 7}}\,tesla - metre/ampere)$

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• Field at the centre of a circular coil of radius r, through which a current I flows is

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