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Analog Electronics

Analog Electronics
A 555 IC is used to produce

 counter
 register
 byte
 clock

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Analog Electronics
Conduction electrons have more mobility than holes because they

 have negative charge
None of these
 are free
 need less energy to move them

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Analog Electronics
In an NPN transistor, the majority carriers in the emitter are

 neither.
 both.
 holes.
  free electrons.

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

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

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Analog Electronics
Which material behave like perfect insulators at low temperatures & conductor at higher temperature ?

 All the above
 Ge
 GaAs
 Si

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Analog Electronics
The voltage gain of a loaded differential amp is

  equal to RC / re.
  large than the unloaded voltage gain.
  smaller than the unloaded voltage gain.
  impossible to determine.

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MORE MCQ ON Analog Electronics

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