Calculate ripple factor in the following at \(50\ \text{Hz}\):
A. \(\pi\) section filter having \(C_1=200\ \mu F,\ C_2=100\ \mu F,\ L_1=50\ mH,\ R_L=100\ \Omega\),
B. \(\pi\) section filter having \(C_1=200\ \mu F,\ C_2=200\ \mu F,\ L_1=50\ mH,\ R_L=100\ \Omega\),
C. \(\pi\) section filter having \(C_1=200\ \mu F,\ C_2=200\ \mu F,\ L_1=100\ mH,\ R_L=100\ \Omega\),
D. \(\pi\) section filter having \(C_1=100\ \mu F,\ C_2=400\ \mu F,\ L_1=100\ mH,\ R_L=200\ \Omega\). Choose the correct answer from the options given below: