A straight section PQ of a circuit lies along the X-axis from x=-\frac{a}{2} to x=\frac{a}{2} and carries a steady current \i. The magnetic field due to the section \P \Q at a point \X=+\a will be

VITEEE 2021 Paper

Section: Physics

Question : 24 of 80

Marks: +1, -0

A straight section PQ of a circuit lies along the X-axis from x=−

to x=

and carries a steady current i. The magnetic field due to the section PQ at a point X=+a will be

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