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Analog Electronics

Analog Electronics
The number of valence electrons in silicon atom are :

 2
 3
 1
 4

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Analog Electronics
Barrier potential at the temperature (25°C) is 0.7 V, its value at 125°C is

  0.7 V.
  0.5 V.
  0.9 V.
  0.3 V.

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Analog Electronics
Which of the following is not a sinusoidal oscillator?

 RC phase shift oscillator
 Crystal oscillator
 LC oscillator
 Relaxation oscillator

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Analog Electronics
The output voltage of an emitter follower is across the

 emitter diode and external AC emitter resistance.
  load resistor.
 emitter diode.
 DC collector resistor.

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Analog Electronics
Which of the following is a semiconductors material ?

 Si
 GaAs
 All the above
 Ge

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Analog Electronics
If the collector resistor is open, the collector voltage is

 unknown.
  low.
 high.
 unchanged.

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MORE MCQ ON Analog Electronics

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