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Analog Electronics

Analog Electronics
Leakage electric current in CE configuration is

  normal.
  not present.
  very high.
  very small.

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Analog Electronics
N-type extrinsic semiconductor is obtained by adding

 trivalent impurity
All of these
 pentavalent impurity
 tetravalent impurity

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Analog Electronics
LC oscillators are used for produce a waveform with frequency ranging from

 100 KHz to 500 MHz
 1 KHz to 1 MHz
 1MHz to 500 MHz
 1MHz to 100 GHz

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Analog Electronics
In a loaded zener regulator, which is the largest current?

  Zener current.
  Load current.
None of these
  Series current.

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Analog Electronics
A 3 - phase diode bridge rectifier is fed from a 400 V rms, 50 Hz, 3 phase AC source. If the load is purely resistive, then peak instantaneous output voltage is equal to

 400√ (2/3) V.
 400√ 2 V.
 400 V.
 400 / √ 3 V.

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Analog Electronics
Which are the ways to convert an alternating current into a direct current ?

 Half-wave rectification.
 All the above.
 Center-Taped Full-wave rectification.
 Bridge Full-wave rectification.

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