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Analog Electronics

Analog Electronics
Doping in a semiconductor increases which quantity

 Conductance
 Resistance
 Inductance
 None

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Analog Electronics
In a CB amplifier the maximum efficiency could be

25%
85%
50%
99%

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Analog Electronics
The collector current is 1.5 mA. If the current gain is 50, the base current is

  30 µA.
 3 µA.
 150 µA.
 3 mA.

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Analog Electronics
Feedback circuit in an oscillator can be accomplished by

 Capacitive coupling between input and output
 Resistive coupling between input and output
 Any one or combinations of the above methods
 Inductive coupling between input and output

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Analog Electronics
Generally, the gain of a transistor amplifier falls at high frequencies due to the

Internal Capacitance of the device
Coupling capacitor at the output
Coupling capacitor at the input
Skin effect

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Analog Electronics
Reverse saturation electric current in a silicon pn junction diode nearly doubles for very

  2° rise in temperature.
  6° rise in temperature.
  10° rise in temperature.
  5° rise in temperature.

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