Two very thin metallic wires placed along X and Y-axis carry equal currents as shown here. AB and CD are lines at 
with the axes with origin of axes at O. The magnetic field will be zero on the line
Text Solution
Verified by ExpertsThe correct answer is:
A
Every point on line AB will be equidistant from X and Y-axis. So magnetic field at every point on line AB due to wire 1 along X-axis is equal in magnitude but opposite in direction to the magnetic field due to wire along Y-axis. Hence 
on 
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