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Analog Electronics

Analog Electronics
In n type semiconductor elements of which group of periodic table is added as dopant

 group 3.
 group 4.
 group 5.
 group 2.

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Analog Electronics
Junction field effect transistors (JFET) contain how many diodes?

  2.
  3.
  1.
  4.

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Analog Electronics
The per unit impedance of a synchorous machine is 0.242. If base voltage is increased by 1.1 times, then per unit value will be

 0.242.
 0.220.
  0.200.
 0.266.

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Analog Electronics
Voltage controlled oscillators are used commonly in

 Frequency Modulators
 Phase Clocked loops
 All the above
 Pulse Modulators Frequency Modulators Phase Clocked loops

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Analog Electronics
The silicon transistor are more widely used than germanium transistors because

  they have smaller depletion layer.
  they have better ability to dissipate heat.
  they have smaller leakage current.
  they have larger electric current carrying capacity.

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Analog Electronics
Which of the following components are used for bias compensation in transistor circuit?

  Rectifier diodes.
  Both (A) and (C) above.
  Resistors.
  Thermistor.

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