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Electronic Devices and Circuits

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

True
False

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Electronic Devices and Circuits
The depletion layer width of Junction

Decreases with light doping
Increases with heavy doping
Is increased under reverse bias
Is independent of applied voltage

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Electronic Devices and Circuits
Which variety of copper has the best conductivity?

Hard drawn copper
Induction hardened copper
Copper containing traces of silicon
Pure annealed copper

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Electronic Devices and Circuits
An electron in the conduction band

Loses its charge easily
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

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Electronic Devices and Circuits
Hall effect is observed in a specimen when it is carrying current and is placed in a magnetic field. The resultant electric field inside the specimen is

In the direction of current
Antiparallel to magnetic field
Normal to both current and magnetic field
In arbitrary direction

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Electronic Devices and Circuits
In monolithic ICs, all the components are fabricated by

Evaporation
None
Diffusion process
Oxidation

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