A 13 turn circular loop of wire has a diameter of 0. The plane of the circular loop makes an angle of 63 to the Earth's magnetic field. In 0.

A 13 turn circular loop of wire has a diameter of 0.66 m. The plane of the circular loop makes an angle of 63 to the Earth’s magnetic field. In 0.157 s the coil is flipped at a location where the magnitude of the Earth’s magnetic field is 34 μT.