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Analog Electronics

Analog Electronics
The most commonly used semiconductor is

 Sulphur
 Silicon
 Germanium
 Carbon

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Analog Electronics
Class AB operation is often used in power large signal) amplifiers in order to

Reducing collector dissipation
Get maximum efficiency
Overcome a crossover distortion
Remove even harmonics

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Analog Electronics
Class B amplifier is biased

 at midpoint of load line.
None of these
 just at cut-off.
 nearly twice cut-off.

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Analog Electronics
The base-emitter voltage of the second approximation is

  0.7 V.
 0 V.
 1 V.
 0.3 V.

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

 low.
  high.
 open.
 shorted to ground.

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Analog Electronics
If the base current is 100 mA and the current gain is 30, the emitter current is

  3.1 A.
 3.33 mA.
 3 A.
 10 A.

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