When a charged particle moves perpendicular to a magnetic field, then
Speed of the particle remains unchanged.
Speed of the particle is changed.
Acceleration of the particle remains unchanged.
Direction of the particle remains unchanged.
A
Direction of the particle remains unchanged.
B
Speed of the particle is changed.
C
Acceleration of the particle remains unchanged.
D
Speed of the particle remains unchanged.
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Solution
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The force on a charged particle moving in magnetic field is given by
→F=q→v×→B
When the velocity is perpendicular to the magnetic field, the magnetic force is perpendicular to both of them, and particle moves in circle with constant speed v.
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