A hole is

A

A positively charged electron

B

An electron in the valence band

C

An unfulfilled covalent bond

D

An excess electron in covalent bond

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The correct Answer is:
C
The absence of electron in a covalent bond, i.e., an unfulfilled covalent bond is referred as a hole.
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SIA PUBLICATION-SEMICONDUCTOR ELECTRONICS-MCQ
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  2. The element that can be used as acceptor impurity to dope silicon is

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  3. A hole is

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  4. The potential in the depletion layer is due to

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  5. The value indicated by fermi energy level in an intrinsic semiconducto...

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  6. The two diodes A and B are biased as shown, then -5V A ...

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  7. A piece of aluminium and germanium each are cooled from T(1)K to T(2)K...

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  8. When a p-n junction diode is reverse biased, the thickness of the depl...

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  9. Energy band gap E(g) in an insulator is of the order of

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  10. Indium impurity in germanium makes it into a

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  11. In an intrinsic semiconductor at room temperature number of electrons ...

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  12. In forward bias in a p-n junction, the potential barrier

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  13. In a reverse biased condition of a p-n junction

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  14. Which one of the following is an incorrect statement?

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  15. Covalent bond exists in

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  16. In a p-type semiconductor, the electrical conduction is due to

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  17. To obtain p-type extrinsic semiconductor, the impurity element to be a...

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  18. If a battery is connected across a p-n junction with p-type connected ...

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  19. The majority carriers in a p-type semiconductor are

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  20. If an intrinsic semiconductor a pentavalent element is added as impuri...

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