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Analog Electronics

Analog Electronics
When there is no base current in a transistor switch, the output voltage from the transistor is

 low.
 unchanged.
  high.
 unknown.

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

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

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Analog Electronics
A small collector current with zero base current is caused by the leakage current of the

 base diode.
 transistor.
  collector diode.
 emitter diode.

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Analog Electronics
In a N-type semiconductor material holes are ......................

 Low charge carriers
 Majority charge carriers
 High charge carriers
 Minority charge carriers

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Analog Electronics
Which are the mobile charge carriers present in semiconductor diode ?

 Neutrons
 Holes
 Both A & B
 Electrons

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Analog Electronics
The knee voltage (cut in voltage) of silicon diode

  1.0 V.
  0.7 V.
  0.8 V.
  0.2 V.

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