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PHYSICS

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

Filtration
Modulation
Amplification
Rectification

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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

Antimony
Phosphorus
Germanium
Boron

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

Zener diode
Junction diode
Tunnel diode
Gun diode

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Physics
A NOT gate can be implemented by:

Two diodes
A single transistor
A single diode
A single resistor

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