Find the magnetic field at the point $P$ in figure. The curved portion is a semicircle connected to two long straight wires.
JEE MAIN 2023, Medium
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$B_{ P }=\left(\frac{\mu_0 i}{4 r}+\frac{\mu_0 i}{4 \pi r}\right)=\frac{\mu_0 i}{2 r}\left(\frac{1}{2}+\frac{1}{2 \pi}\right)$
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