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Analog Electronics

Analog Electronics
A diode (p-n junction) when reverse biased act as

 Capacitor
 Off Switch
 Zener diode
 On Switch

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Analog Electronics
When the two input terminals of a differential amplifier are grounded

  the ac output voltage is zero.
  an output error voltage usually exists.
  the collector currents are equal.
  the base currents are equal.

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Analog Electronics
The extremely high input impedance of a MOSFET is primarily due to the

  negative gate-source voltage.
  absence of its channel.
  depletion of electric current carriers.
  extremely small leakage electric current of its gate capacitor.

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Analog Electronics
How will electrons flow through a p-channel JFET?

  From source to drain.
  From source to gate.
  From drain to gate.
  From drain to source.

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Analog Electronics
If the emitter resistance increases, the collector voltage

 breaks down the transistor.
 stays the same.
  increases.
 decreases.

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Analog Electronics
The current gain of a bipolar transistor drops at high frequencies because of

Transistor capacitances
The early effect
Parasitic inductive elements
High current effects in the base

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MORE MCQ ON Analog Electronics

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