A generator has a 150-turn square coil, 4cm on a side.
a) Find the peak emf in this coil when it's rotating at 110Hz in Earth's field, B = 5 x 10^-5 T. Express your answer to one significant figure and include the appropriate units.
b) Find the peak emf in this coil when it's rotating at 110Hz in a strong 6.6T field. Express your answer to one significant figure and include the appropriate units.