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Questions  

A charged particle moving at an angle 300 with an uniform magnetic field of 0.5 tesla. If the velocity of the charged particle is 10 m/s and its charge is 2C then force acting on it is 

a
5 N
b
10N
c
50 N
d
2.5 N

detailed solution

Correct option is A

Force on a charged particle in a magnetic field is F=qV×B= qVBsinθ=2×10×0.5×12=5 N

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