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Analog Electronics

Analog Electronics
The 741 C has a unity - gain frequency of

  1 MHz.
  15 MHz.
  10 Hz.
  20 Hz.

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

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

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Analog Electronics
Why holes are not created in a metal ?

 The forbidden band is missing
 Both 1 & 2
None of these
 The conduction band and valance band are overlapped

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Analog Electronics
The Q-point in a voltage amplifier is selected in the middle of the active region because

  it gives better stability.
  it gives distortions less output.
  the circuit needs a small.
  the biasing circuit then need less number of resistors.

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Analog Electronics
If a transistor operates at the middle of the load line, a decrease in the current gain will move the Q point

  down.
 nowhere.
 off the load line.
 up.

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Analog Electronics
Which of following is not an essential element of a DC power supply?

  Voltage amplifier.
  Voltage regulator.
  Filter.
  Rectifier.

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