A unit magnetic pole may be defined as that pole which when placed in vacuum at a distance of one metre from a similar and equal pole repels it with a force of

\({\frac{\pi }{{4\mu }}_0}\) Newtons

\(\frac{{{\mu _0}}}{{4\pi }}\) Newtons

\(\frac{1}{{4\pi {\mu _0}}}\) Newtons

A unit magnetic pole may be defined as that pole which when placed in

1.	A unit magnetic pole may be defined as that pole which when placed in vacuum at a distance of one metre from a similar and equal pole repels it with a force of
A.	\(\frac{1}{{4\pi }}\) Newtons
B.	\(\frac{{{\mu _0}}}{{4\pi }}\) Newtons
C.	\({\frac{\pi }{{4\mu }}_0}\) Newtons
D.	\(\frac{1}{{4\pi {\mu _0}}}\) Newtons
Answer» C. \({\frac{\pi }{{4\mu }}_0}\) Newtons

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A unit magnetic pole may be defined as that pole which when placed in vacuum at a distance of one metre from a similar and equal pole repels it with a force of

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