Q 1627012881.     Two parallel wires in the plane of the paper are distance `X_0` apart. A point charge is moving with speed u between the wires in the same plane at a distance `X_1` from one of the wires. When the wires carry current of magnitude I in the same direction, the radius of curvature of the path of the point charge is `R_1`. In contrast, if the currents `I` in the two wires have directions opposite to each other, the radius of curvature of the path is `R_2`. If `\frac{X_0}{X_1} = 3`, the value of `\frac{R_1}{R_2}` is

JEE 2014 ADVANCED Paper - 1
A

`3`

B

`7`

C

`2`

D

`5`

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