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A straight section PQ of a circuit lise ...

A straight section `PQ` of a circuit lise along the `X`-axis from `x=-a/2` to `x=a/2` and carriers a steady current `i`. The magnetic field due to the section `PQ` at a point `X=+a` will be

A

proportional to a

B

proportional to `a^(2)`

C

proportional to `(1//a)`

D

equal to zero

Text Solution

Verified by Experts

The correct Answer is:
D
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