Diode Circuits MCQs
Practice free Diode Circuits multiple-choice questions with instant answer feedback and step-by-step solutions. Click an option to check yourself, reveal the full explanation, and work through all 177 questions — no login required.
Question 154easy
As the junction temperature increases, the voltage breakdown point for avalanche mechanism
Question 155easy
Zener diodes are generally made of
Question 156easy
In a zener voltage regulator, the changes in load current produce changes in
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Question 157easy
A 5 m A change in zener current produces a 50 mV change in zener voltage. What is the zener impedance?
Question 158easy
Which of these is the best description for a zener diode?
Question 159easy
The current in a zener diode is limited by
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Question 160easy
If the input a.c. voltage to unregulated or ordinary power supply increases by 5%, what will be the approximate change in d.c. output voltage?
Question 161easy
If a power- supply has no-load and full-load voltages of 30 V and 25 V respectively, then percentage voltage regulation is
Question 162easy
A power supply has a voltage regulation of 1%. If the no-load voltage is 20V, what is the full-load voltage?