Calculate the initial induced emf if the loop rotated for 0.375 seconds with an angular velocity of 6.28 rad/sec.

The max voltage of an electric motor s 1200.0 V. The radius of the loop system is 0.25 m and interacts with a 4.0 T magnetic field. What is the minimum number of loops needed in the loop system needed to attain the maximum voltage?

The electric motor measured 8.9 V after 0.375 seconds of rotation.