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Wave Optics

Question
CBSEENPH12038811

The output of an unregulated d.c. power supply is to be regulated. Name the device that can be used for this purpose and draw the relevant circuit diagram. 

Solution
Zener diode is used to regulate the output of an unregulated d.c. power supply. Thus, zener diode is used as a voltage regulator.

The relevant circuit diagram is given below. 


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