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Electronic Devices and Circuits

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

Tunnel diode
Schottky diode
Zener diode
PIN diode

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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
In a bipolar transistor, the base collector junction has

Reverse bias
Zero or forward bias
Zero bias
Forward bias

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Electronic Devices and Circuits
Permalloy is

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

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Electronic Devices and Circuits
The forbidden energy gap between the valence band and conduction band will be least in case of

Insulators
Metals
All of these
Semiconductors

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Electronic Devices and Circuits
Free electrons exist in

Third band
Conduction band
First band
Second band

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