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Analog Electronics

Analog Electronics
Doping in a semiconductor increases which quantity

 Inductance
 None
 Resistance
 Conductance

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Analog Electronics
The action of JFET in its equivalent circuit can best be represented as a

voltage controlled current source
Voltage controlled voltage source
Current controlled voltage source
Current controlled Current source

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Analog Electronics
If the base supply voltage is disconnected, the collector-emitter voltage will equal

 6 V.
 0 V.
  collector supply voltage.
 10.5 V.

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Analog Electronics
Which process is used for adding impurity into a pure semiconductor material ?

 Doping
None of these
 Conducting
 Insulating

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Analog Electronics
The value of total collector electric current in a CB circuit is

  IC = αIE.
  IC = αIE - ICO.
  IC = αIE + ICO.
  IC = βIE.

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Analog Electronics
In a differential amplifier, the CMRR is limited mostly by the

  gain - bandwidth product.
  tolerance of the resistors.
  supply voltages .
  CMRR of the opamp.

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