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Electronics Mock test 2021 for all Gov. Exam, Module – 1

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Electronics Mock test 2021 for all Gov. Exam, Module – 1

Semiconductor Theory

1 / 10

Addition of pentavalent impurity to a semiconductor creates many ……..

 

2 / 10

When a pentavalent impurity is added to a pure semiconductor, it becomes ………

3 / 10

The strength of a semiconductor crystal comes from ……..

4 / 10

When a pure semiconductor is heated, its resistance …………..

5 / 10

The resistivity of a pure silicon is about ……………

6 / 10

A semiconductor has generally ……………… valence electrons.

7 / 10

The most commonly used semiconductor is ………..

8 / 10

A semiconductor has ………… temperature coefficient of resistance.

9 / 10

A semiconductor is formed by ……… bonds.

10 / 10

A pentavalent impurity has ………. Valence electrons

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