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Analog Electronics

Analog Electronics
The 741 C has a unity - gain frequency of

  15 MHz.
  20 Hz.
  1 MHz.
  10 Hz.

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Analog Electronics
The barrier potential across each silicon depletion layer is

 0 V.
 1 V.
 0.3 V.
  0.7 V.

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Analog Electronics
When the source voltage increases in a zener regulator, which of these electric current remain approximately constant ?

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

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Analog Electronics
The majority carriers in the emitter of a PNP transistor are

 holes.
 pentavalent atoms.
 free electrons.
 trivalent atoms.

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

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

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Analog Electronics
For a reverse biased pn junction, the electric current through the junction increases abruptly at

  0.2 eV.
  7.2 eV.
  0 V.
  breakdown voltage.

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