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A varying magnetic field exist in space as follows `B = B_0 ((hat(i) + hat(j))/(sqrt(2)) [ cos(kz - wt)]` two charge particles `q_1 = 4 pi` C and `q_2 = 2 pi` C placed at `(0,0, pi/k)` and `(0,0, 3pi/k)` and moving with equal velocities of `0.5c hat(i)` then find ratio of force on two charge at t= 0s is

A

2

B

4

C

6

D

8

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JEE MAINS PREVIOUS YEAR-JEE MAIN 2021-PHYSICS SECTION B
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