Questions
A long straight wire along the Z-axis carries a current i in the negative Z-direction. The magnetic vector field B at a point having coordinates (x, y) in the Z = 0 plane is
detailed solution
Correct option is A
See fig B will be perpendicular to [x i + yj) we know that B =μ0i2π×1r∴ B=μ0i2π×(yi−xj)x2+y2Talk to our academic expert!
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Four long insulated current carrying wires, cross each other as shown in the figure. If the separation between any pair of parallel wires is d, the magnetic induction at O is
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