A current $i$ ampere flows in a circular arc of wire whose radius is $R$, which subtend an angle $3\pi /2$ radian at its centre. The magnetic induction at the centre is
A current $i$ ampere flows in a circular arc of wire whose radius is $R$, which subtend an angle $3\pi /2$ radian at its centre. The magnetic induction at the centre is
- A
$\frac{{{\mu _0}i}}{R}$
- B
$\frac{{{\mu _0}i}}{{2R}}$
- C
$\frac{{2{\mu _0}i}}{R}$
- D
$\frac{{3{\mu _0}i}}{{8R}}$
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- [NEET 2023]
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