A finite straight wire carrying current I is observed from a point P at perpendicular distance a. The two ends subtend angles θ₁ and θ₂ with the perpendicular from P to the wire. Select the correct statements.
Select all that apply

Question

A finite straight wire carrying current I is observed from a point P at perpendicular distance a. The two ends subtend angles θ₁ and θ₂ with the perpendicular from P to the wire. Select the correct statements.

Select all that apply

G1 Physics · Accepted Answer

The magnitude is μ₀I(sinθ₁+sinθ₂)/(4πa). The direction is perpendicular to the plane containing the wire and P, not along the perpendicular distance.