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Three long straight and parallel wires ...

Three long straight and parallel wires carrying currents are arranged as shown in the figure. The wire `C` which carreis a current of `5.0 amp` is so placed that it experiences no force. The distance of wire `C` from `D` is then

A

9 cm

B

7 cm

C

5 cm

D

3 cm

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The correct Answer is:
A
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