MCQ
Two very thin metallic wires placed along $X$ and $Y-$axis carry equal currents as shown here. $AB$ and $CD$ are lines at $45^\circ$  with the axes with origin of axes at $O.$ The magnetic field will be zero on the line
  • $AB$
  • B
    $CD$
  • C
    Segment $OB$ only of line $AB$
  • D
    Segment $OC$ only of line $CD$

Answer

Correct option: A.
$AB$
$ AB$

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