The magnetic field intensity at the point $O$ of a loop with current $i$, whose shape is illustrated below is
The magnetic field intensity at the point $O$ of a loop with current $i$, whose shape is illustrated below is
- A
$\frac{\mu_0 i}{4 \pi}\left[\frac{3 \pi}{2 a}+\frac{\sqrt{2}}{b}\right]$
- B
$\frac{\mu_0 i}{4 \pi^2}\left[\frac{2}{a}+b\right]$
- C
$\frac{\mu_0 i}{2 \pi}\left[\frac{1}{a}+\frac{1}{b}\right]$
- D
$\frac{\mu_0 i}{4 \pi}\left[\frac{1}{a}+\frac{1}{b}\right]$
Similar Questions
A long conducting wire having a current $I$ flowing through it, is bent into a circular coil of $N$ turns.Then it is bent into a circular coil of $n$ tums. The magnetic field is calculated at the centre of coils in both the cases. The ratio of the magnetic field in first case to that of second case is:
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- [JEE MAIN 2023]
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