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A current I is flowing in a straight con...

A current I is flowing in a straight conductor of length L. The magnetic induction at a point distant `(L)/(4)` from its centre will be

A

(a)Points P, Q and R

B

(b)Point R but not at P and Q

C

(c)Point Q but not at P and R

D

(d)Point P but not at Q and R

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The correct Answer is:
4
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