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Analog Electronics

Analog Electronics
The most commonly used semiconductor is

 Silicon
 Carbon
 Sulphur
 Germanium

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

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Analog Electronics
If=0.98, Ico=6µA and Iβ=100µA for a transistor,then the value of Ic will be

2.3mA
3.2mA
5.2mA
4.6mA

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Analog Electronics
In a MOSFET, the polarity of the inversion layer is the same as that of the

  majority carries in the source .
  minority carriers in the drain .
  majority carries in the substrate.
  charge on the gate electrode.

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Analog Electronics
Class B amplifier is biased

 just at cut-off.
None of these
 at midpoint of load line.
 nearly twice cut-off.

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Analog Electronics
The first step in analyzing emitter-based circuits is to find the

 supply current.
 collector current.
 base current.
  emitter current.

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MORE MCQ ON Analog Electronics

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