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Analog Electronics

Analog Electronics
Semiconductor Diode is used as

 an oscillator
 a rectifier
 an amplifier
 a modulator

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Analog Electronics
If the base resistor has zero resistance, the transistor will probably be

  destroyed.
 in cutoff.
 saturated.
None of these

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Analog Electronics
A constant current signal across a parallel RLC circuits gives an o/p of 1.4v at the signal frequency of 3.89KHZ and 4.1KHZ. At the frequency of 4KHZ,the o/p voltage will be

2.8v
2v
1v
1.4v

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Analog Electronics
In the active region, the collector current is not changed significantly by

 current gain.
 base supply voltage.
  collector resistance.
 base current.

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Analog Electronics
In an E only MOSFET, drain electric current starts only when VGS (th) is

  negative.
  positive.
  zero.
  greater than VGS (th).

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

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

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