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Electronic Devices and Circuits

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

5 eV
10 eV
2 eV
0.78 eV

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Electronic Devices and Circuits
Fermi level is the amount of energy in which

An electron can have at room temperature
A hole can have at room temperature
Must be given to an electron move to conduction band
None of these

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Electronic Devices and Circuits
For a P-N diode, the number of minority carriers crossing the junction depends on

None of these
Potential barrier
Rate of thermal generation of electron hole pairs
Forward bias voltage

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

Zero bias
Forward bias
Zero or reverse bias
Reverse bias

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Electronic Devices and Circuits
Free electrons exist in

Second band
Third band
First band
Conduction band

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

Zero bias
Reverse bias
Forward bias
Zero or forward bias

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