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Electronic Devices and Circuits

Electronic Devices and Circuits
When avalanche breakdown occurs covalent bonds are not affected.

False
True

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Electronic Devices and Circuits
A transistor has a current gain of 0.99 in the CB mode. Its current gain in the CC mode is

0.99
99
100
1.01

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Electronic Devices and Circuits
Forbidden energy gap in germanium at 0 K is about

10 eV
5 eV
2 eV
0.78 eV

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Electronic Devices and Circuits
The most commonly used semiconductor material is

None of these
Mixture of silicon and germanium
Germanium
Silicon

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Electronic Devices and Circuits
In a bipolar transistor, the base collector junction has

Reverse bias
Zero bias
Zero or forward bias
Forward bias

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Electronic Devices and Circuits
In monolithic ICs, all the components are fabricated by

Diffusion process
Oxidation
Evaporation
None

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