Question

In the circular motion of a charged particle in a perpendicular magnetic field, the work done is zero. Why? *
a)force and velocity are parallel
b)there is no force acting
c)the force and velocity are perpendicular
d)since it is a charged particle

Answer 1

Answer:

b) there is n force acting

Explanation:

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Answer 2

Answer:

Corrert option is (C)

The magnetic force acts in such a way that the direction of the magnetic force and velocity are always perpendicular to each other. If force and velocity are perpendicular force and displacement are also perpendicular, thus W= FS cos q, if q = 90, work done will be zero.

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