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PHYSICS

Physics
For which one of the following, ''Diodes' are generally used for?

Filtration
Amplification
Rectification
Modulation

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Physics
The width of depletion layer of a P-N junction

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

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Physics
The impurity atoms with which silicon should be doped to make p-type semiconductors are

Boron
Phosphorus
Germanium
Antimony

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Physics
Which of the following is used for regulated electric supply ?

Junction diode
Tunnel diode
Gun diode
Zener diode

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Physics
A NOT gate can be implemented by:

A single transistor
Two diodes
A single resistor
A single diode

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