A conducting loop of radius \(\frac{10}{\sqrt{\pi}} cm\) is placed perpendicular to a uniform magnetic field of \(0.5 T\…

A conducting loop of radius \(\frac{10}{\sqrt{\pi}} cm\) is placed perpendicular to a uniform magnetic field of \(0.5 T\). The magnetic field is decreased to zero in \(0.5 s\) at a steady rate. The induced emf in the circular loop at \(0.25 s\) is:

[JEE Main 2023, 24 Jan (Shift 1)]