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Analog Electronics

Analog Electronics
A silicon pn junction in forward condition has a voltage drop closer to

 1.7 V.
 0.7 V.
 0.1 V.
 2.1 V.

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Analog Electronics
Colpitts oscillator is also called as

 LC oscillator
 Resonant circuit oscillator
 Tank circuit oscillator
All of these

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Analog Electronics
A LED produces light when

  reverse biased.
  unbiased.
None of these
  forward biased.

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Analog Electronics
In a bipolar junction transistor the base region is made very thin so that

  base can be easily biased.
  base can be easily fabricated.
  electric field gradient in base is high.
  recombination in base region is minimum.

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Analog Electronics
One of the following is the primary function of an oscillator

None of these
 generates non sinusoidal waveforms
 produces sinusoidal oscillations
 generates sustained oscillations at a constant amplitude and specific frequency

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Analog Electronics
Assume that diode D1, D2 in figure are ideal diodes. The value of current is mcq-diagram

 1 mA.
 0 mA.
 2 mA.
 0.5 mA.

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