Question: a. Explain how zener diode can be used as a voltage regulator. b. Explain with neat diagram and waveform working of the half wave rectifier

a. Explain how zener diode can be used as a voltage regulator.
b. Explain with neat diagram and waveform working of the half wave rectifier and also derive an expression for the efficiency and ripple factor

c. In a full-wave rectifier, the input is from 30-0-30 V transformer. The load and diodeforward resistance are 100 Ω and 10 Ω respectively. Calculate the average load current,average load voltage and rectifier efficiency.

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