Two infinitely long conductors carrying equal currents are shaped as shown. The short sections are all of equal lengths. The point 
is located symmetrically with respect to the two conductors. The magnetic field at point 
due to any one conductor is 
. The total magnetic field at point 
is
A
zero
B
C
D
2 B
Text Solution
Verified by ExpertsThe correct answer is:
A
By the symmetry, 
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