A full wave rectifier uses two diode, the internal resistance if each diode is `20Omega`. The transformer rms seconary voltage from centre tap tp each end of secondary is 50 V and load resistance is `980Omega`. Find (i) the mean load current (ii) the rms value of load current.

A full wave rectifier uses two diodes, the internal resistance of each diode may be assumed constant at 30 Omega . The transformer r.m.s. secondary voltage from centre tap to each end of the secondary is 50 V and load resistance is 970 Omega . Find (i) the mean load current (ii) the rms value of load current.

A full wave rectifier uses two diodes, the internal resistance of each diode may be assumed constant at 25Omega . The transformer r.m.s. secondary voltage from centre tap to each end of the secondary is 50 V and load current (ii) the rms value of load current.

A full wave rectifier uses two diodes with a load resistance of 100 Omega . Each diode is having negligible forward resistance. Find the efficiency of this wave rectifier.