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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

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

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Analog Electronics
The leakage electric current ICBO flows in

  the emitter and base leads.
  the emitter, base and collector leads.
  the base and collector leads.
  the emitter and collector leads.

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Analog Electronics
In modern the MOSFET, the material used for the gate is

  high - purity silicon.
  high - purity silica.
  epitaxially grown silicon.
  heavily doped poly crystalline silicon.

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Analog Electronics
Asource follower using an FET usually has a voltage gain which is

About -10
Slightly less than unity but positive
Exactly unity but negative
Greater than +100

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

3.2mA
2.3mA
5.2mA
4.6mA

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Analog Electronics
The arrow direction in diode symbol indicates

  opposite to the direction of hole flow.
  direction of electron flow.
  none of these.
  direction of hole flow.

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