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Electronic Devices and Circuits

Electronic Devices and Circuits
Power diodes are generally

Germanium diodes
Either of the above
Silicon diodes
None of these

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

Tunnel diode
PIN diode
Zener diode
Schottky diode

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

True
False

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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
Free electrons exist in

First band
Second band
Conduction band
Third band

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Electronic Devices and Circuits
The amount of photoelectric emission current depends on

Frequency of incident radiation
Intensity of incident radiation
None of these
Both frequency and intensity of incident radiation

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