In Fig., two long parallel wires carry equal currents in opposite directions. Point 
is situated midway between the wires and x‐y plane contains the two wires and the position 
‐axis comes normally out of the plane of paper. The magnetic field 
at 
is non‐zero along
A
and 
B
‐axis
C
‐axis
D
‐axis
Text Solution
Verified by ExpertsThe correct answer is:
D
The magnetic fields due to both the currents are along ‘ 
‐axis’. So, they add up to give a net magnetic field along ‘ 
‐axis’.
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