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Analog Electronics

Analog Electronics
A transistor has how many PN junctions?

 4.
 3.
  2.
 1.

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Analog Electronics
A dc power supply has no-load voltage of 30v,and a full-load voltage of 25v at full-load current of 1A.Its output resistance & load regulation ,respectively are

5 Ω & 20 %
5 Ω & 16.7 %
25 Ω & 16.7 %
25 Ω & 20 %

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Analog Electronics
If the base supply voltage is disconnected, the collector-emitter voltage will equal

 6 V.
 0 V.
  collector supply voltage.
 10.5 V.

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Analog Electronics
Field effect transistor (FET) operates on

  on both majority and minority carriers.
  minority carries only .
  positive charged ions only.
  majority carriers only.

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Analog Electronics
Generally, the gain of a transistor amplifier falls at high frequencies due to the

Internal Capacitance of the device
Skin effect
Coupling capacitor at the output
Coupling capacitor at the input

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Analog Electronics
The barrier potential across each silicon depletion layer is

 0 V.
 1 V.
  0.7 V.
 0.3 V.

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