Magnetic field at the centre of a circular coil; magnetic moment

2026 1 question

1. A 100-turn closely wound circular coil of radius 5 cm has a magnetic field of $3.14 \times 10^{-3}$ T at its centre. The current flowing through the coil, and the magnitude of the magnetic moment of this coil are, respectively: (Take $\mu_0 = 4\pi \times 10^{-7}$ Tm/A)