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Question

Two charged particles moving with velocities v1 and v2 have some separation between them. The ratio of magnetic force to the Colombian force between them is (c is speed of light)

A
v1v2c2
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B
c2v1v2
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C
cv1
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D
cv2
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Solution

The correct option is A v1v2c2

Velocities, V1 and V2
In this question, a most important thing is C= the speed of light.
q1q2αv1v2
Fαq1q2
So, distance will occur using the speed of light F=q1q2c2=v1v2c2

1236907_1044079_ans_2f8ff9a0be34469bb7a2eec44ca447d1.png

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