Rankers Physics

Magnetic Field Due to Straight Current Carrying Wire: Practice Problem & Solution

A straight section PQ of a circuit lies along the X-axis form x = –a/2 to x = a/2 and carries a steady current i. The magnetic field due to the section PQ at a point X = +a will be :
Proportional to a
Proportional to a²
Proportional to 1/a
Zero

No solution provided for this question.

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