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Electronic Devices and Circuits

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

Forward bias
Zero or forward bias
Reverse bias
Zero bias

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

0.78 eV
5 eV
10 eV
2 eV

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Electronic Devices and Circuits
Piezoelectric quartz crystal resonators find application where

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

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Electronic Devices and Circuits
Silicon is not suitable for fabrication of light emitting diodes because it is

Narrowband gap semiconductor
Wideband gap semiconductor
Direct band gap semiconductor
An indirect band gap semiconductor

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Electronic Devices and Circuits
An electron in the conduction band

Loses its charge easily
Has higher energy than the electron in the valence band
Jumps to the top of the crystal
Has lower energy than the electron in the valence band

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Electronic Devices and Circuits
For a NPN bipolar transistor, what is the main stream of current in the base region?

Drift of holes
Drift of electrons
Diffusion of electrons
Diffusion of holes

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MORE MCQ ON Electronic Devices and Circuits

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