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Electronic Devices and Circuits

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

Reverse bias
Zero bias
Zero or reverse bias
Forward bias

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Electronic Devices and Circuits
Piezoelectric quartz crystal resonators find application where

Signal frequency control is required
Modulation of signal is required
Signal amplification is required
Rectification of the signal is required

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

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

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

10 eV
0.78 eV
5 eV
2 eV

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

Zero or forward bias
Zero bias
Reverse bias
Forward bias

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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

100
0.99
1.01
99

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MORE MCQ ON Electronic Devices and Circuits

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