1A current flows through an infinitely long straight wire. The magneti – McqOptions

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1.	1A current flows through an infinitely long straight wire. The magnetic field produced at a point 1 metres away from it is [MP PMT 2001]
A.	\[2\times {{10}^{-3}}\,Tesla\]
B.	\[\frac{2}{10}\,Tesla\]
C.	\[2\times {{10}^{-7}}\,Tesla\]
D.	\[2\pi \times {{10}^{-6}}\,\text{Tesla}\]
Answer» D. \[2\pi \times {{10}^{-6}}\,\text{Tesla}\]

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