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An n-p-n transistor conducts when _____.

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Important Questions on Semiconductor Electronics

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General Science for Competitive Exams>Chapter 8 - Semiconductor Electronics>EXERCISE>Q 41
Reverse bias applied to a junction diode _____.
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General Science for Competitive Exams>Chapter 8 - Semiconductor Electronics>EXERCISE>Q 42
In semiconductors, at room temperature:
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General Science for Competitive Exams>Chapter 8 - Semiconductor Electronics>EXERCISE>Q 43
Application of a forward bias to a p–n junction _____.
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General Science for Competitive Exams>Chapter 8 - Semiconductor Electronics>EXERCISE>Q 44
A piece of copper and another of germanium are cooled from room temperature to 80 K. The resistance of_____.
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General Science for Competitive Exams>Chapter 8 - Semiconductor Electronics>EXERCISE>Q 45
In an intrinsic semiconductor _____.
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General Science for Competitive Exams>Chapter 8 - Semiconductor Electronics>EXERCISE>Q 46
If the conductivity of a semiconductor is only due to breaking up of the covalent bonds due to thermal excitation, then the semiconductor is called:
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General Science for Competitive Exams>Chapter 8 - Semiconductor Electronics>EXERCISE>Q 47
The mobility of conduction electrons is greater than that of holes since electrons _____.
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General Science for Competitive Exams>Chapter 8 - Semiconductor Electronics>EXERCISE>Q 48
In the symbol of a transistor, the arrow head points in the direction of flow of _____.