Electrical Engineering > GATE 2015 SET-1 > Magnetostatics
A steady current I is flowing in the -x direction through each of two infinitely long wires at y = ±L/2 as shown in the figure. The permeability of the medium is μ0. The B-field at (0,L,0) is
A
-(4μ0I)/(3πL) ẑ
B
+(4μ0I)/(3πL) ẑ
C
0
D
-(3μ0I)/(4πL) ẑ

Correct : a

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