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Analog Electronics

Analog Electronics
When the base resistor increases, the collector voltage will probably

All of these
 stay the same.
  increase.
 decrease.

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Analog Electronics
A 741 C has

  an output impedance of 75 Ω.
  an input impedance of 2 MΩ.
All of these
  a voltage gain of 100,000.

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Analog Electronics
In a normally biased npn transistor, the electrons in the emitter have enough energy to overcome the barrier potential of the

  base - emitter junction.
 base - collector junction.
 collector - base junction.
 recombination path.

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Analog Electronics
The input impedance of the base of an emitter follower is usually

 low.
 open.
 shorted to ground.
  high.

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Analog Electronics
In a p⁺n junction diode under reverse bias , the magnitude of electric field is maximum at

The center of the depletion region on the n-side
The p⁺n junction
The edge of the depletion region on the p-side
The edge of the depletion region on the n-side

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

 Wien bridge oscillator
 Crystal oscillator
 Phase shift oscillator
 Hartley oscillator

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