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An electron of kinetic energy of is revolving on a circular path in magnetic field . Then, the radius of its circular path is,
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Important Questions on Magnetic Effect of Current
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An electron moves with velocity in a uniform transverse magnetic field on circular path of radius . Then, for it is,
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A proton, deuteron and an -particle are accelerated by same potential. They enter in uniform magnetic field perpendicularly. The ratio of radii of circular paths, respectively, are,
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A charged particle through a magnetic field in a direction perpendicular to it. Then the
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A magnetic field,
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A proton and an -particle moving with the same velocity enter into a uniform magnetic field which is acting normal to the plane of their motion. The ratio of the radii of the circular paths described by the proton and -particle, respectively, is,
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A very long straight wire carries a current I. At the instant when a charge +Q at point P has velocity , as shown, the magnetic force on the charge is :
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In Thomson mass spectrograph, , then the velocity of un-deflected electron beam will be,
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A charge moves in a region, where electric field and magnetic field both exist. Then the force on it is
