The purpose of connecting a Zener diode in a UJT circuit, used for triggering thyristors, is to
A. expedite the generation of triggering pulses
B. delay the generation of triggering pulses
C. provide a constant voltage to UJT to prevent erratic firing
D. provide a variable voltage to UJT as the source voltage changes
Answer: Option C
This Question Belongs to Electronics And Communications Engineering >> Power Electronics
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