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ANALOG ELECTRONICS

Analog Electronics
The encapsulation of transistor is necessary for

Preventing radio interference
Preventing photo-emission effects
Mechanical ruggedness
Avoiding loss of free electrons

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Analog Electronics
In deriving ac equivalent circuit for an amplifier circuit we short circuit

All resistors
All transistors
All inductors
All capacitors

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Analog Electronics
Thermal runaway is not possible in FET because as the temperature of FET increases

The transconductance increases
None of these
The drain current increases
The mobility decreases

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Analog Electronics
The feedback factor of a Wien bridge oscillator using Op-Amp is

 1/3
 1/2
 1/4
 1

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Analog Electronics
For audio frequency applications, the popular oscillator used is

 Wien bridge oscillator
 Hartley oscillator
 Crystal oscillator
 Phase shift oscillator

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