Top Power Electronics Questions and Answers for Exam Preparation

Explore top Power Electronics questions and answers to boost your exam preparation and enhance your understanding of key concepts.

Power Electronics Questions

Q. False turn on of scr is also called —-

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Q. Consider the probe, —— are handy if you need to test SMD components.

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Q. Find the false one about logic state analyzer.

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Q. What is the colour of the light from a led on using a probe when the signal is high, low, and if pulsing at around 50% duty cycle?Commercially made probes frequently have a single red/green LED. If the signal is high, the LED would be red, if low, green, and if pulsing at around 50% duty cycle, appear amber.

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Q. Which is the most dangerous colour laser?

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Q. The accelerating and focusing electrodes in a cathode ray tube are ? in shape.

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Q. For 7805 ic regulator, the input voltage is 15 V, and required output current is 0.8A. Calculate the appropriate heat sink size.

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Q. For a DMM, what indicates the guarantee of instrument?

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Q. Find the one which is related to series voltage regulator.

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Q. For LM78XX family, What does the last two digits indicate ?

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