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Earn 100

The value of ripple factor for full wave rectifier is .
(a)True
(b)False

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Important Questions on Semiconductor Devices
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LED emits light when connected in _____.
(Fill in the blank using 'forward bias' or 'reverse bias')

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Draw a labelled diagram of a Zener diode as a voltage regulator.

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What is the advantage of an LED bulb over filament bulb?

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Draw circuit diagram for a junction to obtain reverse bias characteristic curves. Explain the phenomenon of reverse breakdown for a junction in reverse bias state by following process-
Zener breakdown

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In a semiconductor diode, what is meant by a potential barrier?

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The forward characteristic curve of a junction diode is shown in the figure :
Calculate the resistance of the diode at
(i)
(ii)

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With reference to semiconductor devices, define a -type semiconductor and a Zener diode. What is the use of Zener diode?

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