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Analog Electronics

Analog Electronics
If the base current is 100 mA and the current gain is 30, the emitter current is

  3.1 A.
 3.33 mA.
 10 A.
 3 A.

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Analog Electronics
The feedback factor of a Wien bridge oscillator using Op-Amp is

 1/3
 1
 1/4
 1/2

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Analog Electronics
When Semiconductor materials is heated its resistance

 remains constant
 decreases
None of these
 increases

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

  1 MHz.
  10 Hz.
  15 MHz.
  20 Hz.

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

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

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Analog Electronics
The number of orbiting electrons in germanium atom are :

 32
 28
 36
 42

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