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Electronic Devices and Circuits

Electronic Devices and Circuits
Power diodes are generally

Silicon diodes
Either of the above
Germanium diodes
None of these

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Electronic Devices and Circuits
How many free electrons does a p type semiconductor has?

Only those produced by doping
Those produced by doping as well as thermal energy
Only those produced by thermal energy
Any of the above

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Electronic Devices and Circuits
In which of these is reverse recovery time nearly zero?

Zener diode
Schottky diode
PIN diode
Tunnel diode

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Electronic Devices and Circuits
Piezoelectric quartz crystal resonators find application where

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

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

10 eV
2 eV
0.78 eV
5 eV

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Electronic Devices and Circuits
An electron in the conduction band

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

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MORE MCQ ON Electronic Devices and Circuits

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