Equal currents i = 1 A are flowing through the wires parallel to y-axis located at x = + 1m, x = + 2 m, x = + 4 m and so on…., etc. but in opposite directions as shown. The magnetic field at origin (in tesla) would be-
A
– 1.33 × 10 –7 
B
1.33 × 10 –7 
C
2.67 × 10 –7 
D
– 2.67 × 10 –7 
Text Solution
Verified by ExpertsThe correct answer is:
B
Mag. field induction at O due to current through one wire is
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