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Electronic Devices and Circuits

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

False
True

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Electronic Devices and Circuits
In a bipolar transistor, the emitter base junction has

Forward bias
Zero bias
Reverse bias
Zero or reverse bias

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Electronic Devices and Circuits
Permalloy is

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

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Electronic Devices and Circuits
In a bipolar transistor, the base collector junction has

Zero bias
Forward bias
Zero or forward bias
Reverse bias

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Electronic Devices and Circuits
At room temperature the current in an intrinsic semiconductor is due to

Electrons
Ions
Holes
Holes and electrons

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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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