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Analog Electronics

Analog Electronics
Semiconductor Diode is used as

 an amplifier
 a modulator
 an oscillator
 a rectifier

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Analog Electronics
Silicon and Germanium are ________ elements.

 pentavalant
 trivalant
 hexavalant
 tetravalant

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Analog Electronics
The opamp can amplify

  both AC and DC signals.
  DC signals only.
  AC signals only.
  neither AC not DC signals.

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

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

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Analog Electronics
When there is no base current in a transistor switch, the output voltage from the transistor is

 unknown.
  high.
 unchanged.
 low.

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Analog Electronics
Which types of device is the diode ?

None of these
 Conductor
 Semiconductor
 Insulator

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