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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.
 10 A.
 3.33 mA.
 3 A.

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Analog Electronics
When will be the P-N junction is formed ?

 Two opposite doped materials
None of these
 In reverse biased region
 In depletion region

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Analog Electronics
What is the most important fact about the collector current?

  It approximately equals the emitter current.
 It is measured in milliampere.
 It equals the base current divided by the current gain.
 It is small.

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Analog Electronics
Asource follower using an FET usually has a voltage gain which is

Exactly unity but negative
Greater than +100
Slightly less than unity but positive
About -10

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Analog Electronics
Depending upon the switching recovery time and on state drop, the power diodes are types

  General purpose, fast recovery and schottly.
 None of these.
 General purpose, fast recovery.
 Fast recovery, Schottky.

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Analog Electronics
In a common emitter, unbypassed resister provides

current series feedback
negative voltage feedback
positive current feedback
voltage shunt feedback

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