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Analog Electronics

Analog Electronics
An opamp has a voltage gain of 200,000. If the output voltage is 1 V, the input voltage is

  2 micro V.
  5 5 micro V.
  1 V.
  10 V.

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Analog Electronics
At the unity-gain frequency, the open-loop voltage gain is

  1.
  zero.
  AV(mid).
  very large

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Analog Electronics
For Germanium pn junction, the maximum value of barrier potential is

 1.6V
 0.7V
 0.3V
 1.5V

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Analog Electronics
CMOS devices use

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

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Analog Electronics
When VGS = 0 V, a JFET is

  an open switch.
  saturated.
  cut off.
  an analog device.

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Analog Electronics
If=0.98, Ico=6µA and Iβ=100µA for a transistor,then the value of Ic will be

2.3mA
4.6mA
5.2mA
3.2mA

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