1) A circle with a radius of 0.3 meters is placed in the x-y
plane in a magnetic field directed in the -z direction. It is wound
once and its resistance is 6 Ohms. The initial magnetic field is
0.8 Tesla. The magnetic field is then changed in 0.6 s and the
average induced current is 0.04 amps running counter-clockwise.
First, find the final magnetic field to needed to induce this
average current.
Then, the magnetic field (still in the...