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Analog Electronics

Analog Electronics
When there is no base current in a transistor switch, the output voltage from the transistor is

 unchanged.
  high.
 unknown.
 low.

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Analog Electronics
What is the majority carriers of P type material ?

None of these
 Holes
 Electrons
 Protons

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Analog Electronics
A electric current ratio of IC / IE is usually less than one and is called

  β.
  θ.
  α.
  ω.

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Analog Electronics
The collector current is 1.5 mA. If the current gain is 50, the base current is

  30 µA.
 3 mA.
 3 µA.
 150 µA.

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Analog Electronics
A zener diode voltage regulator has load requirement of 12 V and 2 Amp. The zener diode's minimum current requirement is 0.2 A. The minimum voltage at input is 24 V. What is maximum efficiency of circuit?

 52.8 %.
 34.3 %.
 45.5 %.
 66.3 %.

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Analog Electronics
The base-emitter voltage of the second approximation is

 0 V.
 0.3 V.
 1 V.
  0.7 V.

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MORE MCQ ON Analog Electronics

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