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Analog Electronics

Analog Electronics
What is the range of energy band gap of semiconductors ?

 10-15 ev
 0 ev
 1-3 ev
 14-15 ev

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Analog Electronics
A 741 C has

All of these
  a voltage gain of 100,000.
  an input impedance of 2 MΩ.
  an output impedance of 75 Ω.

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

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

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Analog Electronics
For a JEFT, when VDS is increased beyond the pinch-off voltage, the drain electric current

  remains constant.
  decreases.
  first increase and then decreased.
  increased.

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Analog Electronics
CMOS devices use

  bipolar transistors .
  DMOS devices.
  complementary E - MOSFETs.
  class A operation.

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Analog Electronics
Which of the following oscillators are used for low frequency (LF) applications

 RC oscillators
 LC oscillators
 None
 Both LC and RC Oscillators

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