(1) Sketch the circuit for an ac supply input to a full-wave diode rectifier with a resistive load and no smoothing capacitor. (2).Sketch the ac supply voltage and the voltage across the resistive load in (question no 1)indicating the period of the resistive load voltage. (3) For the circuit in (question no 1) calculate the average and rms voltages across the resistive load for an rms ac supply voltage of 115 V assuming no diode voltage.

A Full-wave bridge rectifier Circuit contains 4 Germanium diodes Cuse the Constant voltage drop model with VD = 0.30) driving ac a Load resistance of 10 kur. An Source with a Peak value of 4ou at bottz Vortage Source with a applied to the Circuit. a DIS 2 Determine the de value of the output wave form Determine the value of the Capacitor In uf needed to limit the output ripple vortage to 0.5 V if the Peak output voltage is equal to Upic -2VD

Exercises: 1. A full-wave bridge rectifier isolated from the 220 V rms power line by a transformer. Assuming the diode voltage drops are 0.7 V. i. What turns ratio should the transformer have in order to produce an average current of 1A in a 10 load? ii. What is the average current in each diode under the conditions of (i)? iii. What minimum PIV rating should each diode have? iv. How much power is dissipated by each diode? 2. A full-wave bridge rectifier is operated from a 50 Hz, 220 V rms line. It has a 100 μF filter capacitor and a 2 k 2 load. Neglect diode voltage drops. i. What is the percent ripple? ii. What is the average current in the load?

OBJECTIVES :1. To be able to construct a half-wave rectifier circuit and examine its inputand output waveforms.2. To find out the phase relation between the voltage across the load and thevoltage across the diode.   QUESTIONS :1. What is the effect of reversing the diode in the circuit (Step 7)?2. Compare the waveform across the diode (Step 9) with the waveformacross the load (Step 6) ? 3. What portion of the input signal is clipped at the output ?4. Give the advantages of a silicon over germanium rectifier diode.