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Electronic Devices and Circuits

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

Reverse bias
Forward bias
Zero bias
Zero or reverse bias

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

2 eV
10 eV
0.78 eV
5 eV

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

Zero or forward bias
Forward bias
Reverse bias
Zero bias

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Electronic Devices and Circuits
Work function is the maximum energy required by the fastest electron at 0 K to escape from the metal surface.

True
False

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Electronic Devices and Circuits
Which variety of copper has the best conductivity?

Hard drawn copper
Copper containing traces of silicon
Pure annealed copper
Induction hardened copper

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

False
True

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