# Answer to Question #41094 in Electromagnetism for Sanjeev

Question #41094

A straight section PQ of a circuit lies along the X-axis from x = a/2 to –a/2 and carries a steady current I. The magnetic field due to the section PQ at a point X = + a will be :-

(1) Proportional to a

(2) Proportional to a^2

(3) Proportional to 1/a

(4) Zero

(1) Proportional to a

(2) Proportional to a^2

(3) Proportional to 1/a

(4) Zero

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