A portion of a conductive wire is bent in the form of a semicircle of radius $r$ as shown below in fig. At the centre of semicircle, the magnetic induction will be
A portion of a conductive wire is bent in the form of a semicircle of radius $r$ as shown below in fig. At the centre of semicircle, the magnetic induction will be
- A
zero
- B
infinite
- C
$\frac{{{\mu _0}}}{{4\pi }}.\frac{{\pi \,i}}{r}{\text{gauss}}$
- D
$\frac{{{\mu _0}}}{{4\pi }}.\frac{{\pi \,i}}{r}{\text{tesla}}$
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- [AIPMT 2015]
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