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Analog Electronics

Analog Electronics
In a loaded zener regulator, which is the largest current?

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

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Analog Electronics
Which of the following is Pentavalent impurity?

 antimony
 boron
 gallium
 indium

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Analog Electronics
The encapsulation of transistor is necessary for

Avoiding loss of free electrons
Mechanical ruggedness
Preventing photo-emission effects
Preventing radio interference

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Analog Electronics
An opamp has a voltage gain of 200,000. If the output voltage is 1 V, the input voltage is

  1 V.
  2 micro V.
  5 5 micro V.
  10 V.

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Analog Electronics
Most of the electrons in the base of an NPN transistor flow

 into the emitter.
 into the base supply.
  into the collector.
 out of the base lead.

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

 3 A.
  3.1 A.
 3.33 mA.
 10 A.

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