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Two long wires carrying current are kept...

Two long wires carrying current are kept crossed ( not joined at ) . The locus where magnetic field is zero is -

A

`I_1=(x)/yI_2`

B

`I_1=(y)/(x)I_2`

C

`I_1=I_2`

D

`I_1=-I_2`

Text Solution

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The correct Answer is:
A
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