P-N Junction Diode

IMPORTANT

P-N Junction Diode: Overview

This topic covers concepts such as p-n junction, potential barrier at the junction diode, forward biasing of junction diode, reverse biasing of junction diode, and characteristic curve of junction diode.

Important Questions on P-N Junction Diode

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Semiconductor devices require _____ voltage operation as compared to the vacuum tubes.

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The semiconductor device has a _____ size, so the circuits involving devices are very compact.

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Semiconductor devices have no filaments hence there is no power needed to heat them to cause the emission of the electrons.

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What are the advantages of semiconductor devices?

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What is reverse break down of diode?

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In a P-N junction, current can go from N side to P side but not from P side to N side.

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The circuit shown below contains two ideal diodes, each with a forward resistance of 50 Ω. If the battery voltage is 6 V, the current through the 100 Ω resistance (in amperes) is:
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Mention some advantages of semiconductor devices.

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In reverse bias of a p-n junction diode, the reverse current is very small and is voltage independent upto certain reverse bias voltage, known as

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Define breakdown voltage of a diode in reverse bias.

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What do you mean by reverse breakdown of diode in reverse bias?

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In P type semiconductor pentavalent impurities are used for doping while in N type semiconductor trivalent impurities are used for doping.

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The potential in the depletion layer is due to

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In a P-N junction, current can go from N side to P side but not from P side to N side.

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Explain the working of forward biased and reverse biased p-n junction diode. Draw the V-I characteristic of p-n junction diode.

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Explain the formation of potential barrier in a p-n junction.