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Analog Electronics

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

 2
 1
 4
 3

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Analog Electronics
When testing an npn transistor using an ohmmeter, the collector-emitter resistance will be low when

 the transistor is normal.
 the collector is positive in respect to the emitter.
  the transistor is defective.
 the emitter is positive in respect to the collector.

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Analog Electronics
Most small - signal E - MOSFETs are found in

  integrated circuit.
  discrete circuits.
  heavy - current applications.
  disk drives.

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

 Relaxation oscillator
 RC phase shift oscillator
 Crystal oscillator
 LC oscillator

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Analog Electronics
Electron mobility is defined as

None of these
 Drift velocity per unit field
 Diffusion velocity per unit field
 the movement of electrons

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Analog Electronics
In the active region, the collector current is not changed significantly by

 base current.
  collector resistance.
 base supply voltage.
 current gain.

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MORE MCQ ON Analog Electronics

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