Two straight infinitely long current carrying wires are kept along Z-axis at the coordinates ( 
) and ( 
) respectively, as shown in the figure. The current in each of the wire is equal and along negative Z-axis (into the plane of the paper).
The variation of magnetic field on the X-axis will be approximately
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
D
At center, 
.
As, 
between centre and 
, there will be a maximum value.
Along X-axis for 
is downwards.
Along X-axis for 
is upwards.
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