a. Given that \( i(t)=2+10 \cos \left(t+10^{\circ}\right)+6 \cos \left(3 t+35^{\circ}\right) \) A, calculate the average power supplied to the circuit shown below
b. An increase in the value of period \( T \), has some effects on the periodic pulse train. With the aid of illustrative diagrams, discuss these effects