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Earn 100
Cathode rays are moving between the poles of a magnet. Due to the effect of magnetic field of magnet, the
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Important Questions on Magnetic Effect of Current
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Following charge has maximum frequency of rotation in uniform transverse magnetic field:
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Which of the following particles will experience a maximum magnetic force (magnitude) when projected with the same velocity perpendicular to a magnetic field?
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When and -rays are subjected to a magnetic field which is perpendicular to the direction of their motion, with their same speed, the curvature of path of both the particles are,
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If an electron of velocity is subjected to magnetic field of then its:-
(a) path will change
(b) speed does not change
(c) path must be circular
(d) momentum is constant
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Two identically charged particles A and B initially at rest, are accelerated by a common potential difference V. They enters into a uniform transverse magnetic field B and describe a circular path of radii r1 and r2 respectively then their mass ratio is :-
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An -particle experiences a force of when its moves perpendicular to magnetic field of . Then, the speed of the -particle is,
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If an electron enters a magnetic field with its velocity pointing in the same direction as the magnetic field, then
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A charge having q/m equal to 108 C/kg and with velocity 3 × 105 m/s enters into a uniform magnetic field B = 0.3 tesla at an angle 30º with direction of field. Then radius will be :-
