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Analog Electronics

Analog Electronics
In a transistor leakage current mainly depends on

Temperature
Rating of transistor
Size of emitter
Doping of base

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

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

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Analog Electronics
Most small - signal E - MOSFETs are found in

  disk drives.
  discrete circuits.
  integrated circuit.
  heavy - current applications.

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Analog Electronics
What is an energy gap?

 Energy level at which an electron can exist
None of these
 Energy band in which electrons can move freely
 Space between two orbital shells

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Analog Electronics
What does MOS stand for?

  Metal - on silicon.
  Metal - oxide silicon.
  None of them.
  Metal - oxide semiconductor.

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Analog Electronics
The major advantage of a photo transistor as compared to a photo diode is its

 response to higher frequencies.
 durability.
  increased sensitivity.
 AC operation.

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