To reduce the ripples in rectifier circuit with capacitor filter

Options

A. `R_(L)` should be increased
B. input frequency should be decrease
C. input frequency should be increased
D. capacitors with high capacitance should be used

Answer

A, C, D

Explanation

Ripple factor ( r) of a full wave rectifier using capacitor filter is given by
`r=1/(4sqrt(3)R_(L)Cv), i.e., rpropi/R_(L) and rprop1/C, rprop1/v`.
Thus to reduce `r,R_(L)` should be increased, input frequency v should be increased and capacitance C should be increased.