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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
20 A
100 A
1 A

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

Zener diode
Tunnel diode
Schottky diode
PIN diode

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

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

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

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

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