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Analog Electronics

Analog Electronics
The leakage current in a pn junction is in order of

 KA
 A
 µA
None of these

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Analog Electronics
The number of valence electrons in silicon atom are :

 1
 3
 2
 4

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

  20 Hz.
  1 MHz.
  10 Hz.
  15 MHz.

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Analog Electronics
The arrow direction in diode symbol indicates

  direction of hole flow.
  direction of electron flow.
  none of these.
  opposite to the direction of hole flow.

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Analog Electronics
If the collector resistor is open, the collector voltage is

 unchanged.
  low.
 high.
 unknown.

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Analog Electronics
A voltage regulator is a circuit which

  converts the AC voltage to DC voltage.
  maintains constant DC output voltage inspite of the fluctu
None of these
  smoothed the AC variation in DC output voltage.

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