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Electronic Devices and Circuits

Electronic Devices and Circuits
Which of the following could be the maximum current rating of junction diode by 126?

10 A
100 A
20 A
1 A

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Electronic Devices and Circuits
Piezoelectric quartz crystal resonators find application where

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

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Electronic Devices and Circuits
An electron in the conduction band

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

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

False
True

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Electronic Devices and Circuits
If too large current passes through the diode

Diode will emit light
Excessive heat may damage the diode
All holes will freeze
All electrons will leave

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Electronic Devices and Circuits
Permalloy is

A polymer
A nickel an iron alloy having high permeability
A variety of stainless steel
A conon-ferrous alloy used in aircraft industry

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