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Analog Electronics

Analog Electronics
What is mean by the outermost orbit of an atom ?

 Conduction band
 Energy band
 Valence orbit
None of these

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Analog Electronics
A quartz crystal oscillator consists of

 only parallel resonant frequency.
 neither series nor parallel frequency.
 only series resonant frequency.
 both series and parallel frequencies.

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Analog Electronics
The base of an npn transistor is thin and

 heavily doped.
  lightly doped.
 metallic.
 doped by a pentavalent material.

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Analog Electronics
Depending upon the switching recovery time and on state drop, the power diodes are types

 None of these.
  General purpose, fast recovery and schottly.
 General purpose, fast recovery.
 Fast recovery, Schottky.

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Analog Electronics
What is the condition if no external potential energy is applied to the PN junction then diode ?

 Zero Bias
 Reversed biased
None of these
 Forward biased

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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
1.4v
2v
1v

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