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Electronic Devices and Circuits

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

Zero or reverse bias
Reverse bias
Forward bias
Zero bias

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Electronic Devices and Circuits
How many free electrons does a p type semiconductor has?

Any of the above
Only those produced by thermal energy
Only those produced by doping
Those produced by doping as well as thermal energy

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

Reverse bias
Zero bias
Forward bias
Zero or forward bias

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Electronic Devices and Circuits
Power diodes are generally

None of these
Either of the above
Silicon diodes
Germanium diodes

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Electronic Devices and Circuits
Which one of the following is not a characteristic of a ferroelectric material?

High dielectric constant
Electric dipole moment
Ferroelectric characteristic only above the curie point
No hysteresis

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Electronic Devices and Circuits
The depletion layer width of Junction

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

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