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Two very thin metallic wires placed alon...

Two very thin metallic wires placed along `X` and `Y` axes carry equal currents as shown `AB` and `CD` are lines at `45^(@)` with the axes having origin at `O` the magnetic field will be zero on the line

A

`AB`

B

`CD`

C

straight segment `OB` only of line `AB`

D

straight segment `OC` only of line `CD`

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