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Wave Optics
Name the semiconductor device that can be used to regulate an unregulated dc power supply. With the help of I-V characteristics of this device, explain its working principle.
Zener diode can be used to regulate an unregulated dc power supply.
Working principle of Zener diode as per the V-I characteristics:
In reverse breakdown region or zener region, a very small change in voltage across the zener diode produces very large change in current through the circuit but the voltage across the zener remains constant.
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