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 163easy
Two similar 15 V zeners are connected in series. What is the regulated output voltage?
Question 164easy
A power supply can deliver a maximum rated current of 0.5 A at full-load output voltage of 20 V. What is the minimum load resistance that you can connect across the supply?
Question 165easy
In a regulated power supply, two similar 15 V zeners are connected in series. The input voltage is 45 V d.c. If each zener has a maximum current rating of 300 mA, what should be the value of series resistance?
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Question 166easy
A zener regulator ___ in the power supply.
Question 167easy
The zener current will be minimum when
Question 168easy
An SCR has __ semiconductor layers.pn junctions.
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Question 169easy
The control element in an SCR is
Question 170easy
The normal way to turn on an SCR is by
Question 171easy
An SCR is a solid state equivalent o ftriggered device.