Electronic Devices and Circuits Theory-Semiconductor - Practice Questions

Question 1

Doping of a semiconductor material means

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Question 2

Under normal conditions a diode conducts current when it is

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Question 3

The most common type of diode failure is a(n) ________.

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Question 4

For a forward-biased diode, as temperature is ________, the forward current ________ for a given value of forward voltage.

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Question 5

A silicon diode measures a low value of resistance with the meter leads in both positions. The trouble, if any, is

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Question 6

You have an unknown type of diode in a circuit. You measure the voltage across it and find it to be 0.3 V. The diode might be

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Question 7

What types of impurity atoms are added to increase the number of conduction-band electrons in intrinsic silicon?

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Question 8

A silicon diode is forward-biased. You measure the voltage to ground from the anode at ________, and the voltage from the cathode to ground at ________.

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Question 9

Effectively, how many valence electrons are there in each atom within a silicon crystal?

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Question 10

The movement of free electrons in a conductor is called

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