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ANALOG ELECTRONICS

Analog Electronics
When the current gain increases from 50 to 300 in an emitter-biased circuit, the collector current

 decreases by a factor of 6.
 is zero.
  remains almost the same.
 increases by a factor of 6.

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Analog Electronics
If the emitter resistance increases, the collector voltage

 breaks down the transistor.
 decreases.
 stays the same.
  increases.

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Analog Electronics
If the emitter resistance decreases, the

 collector current decreases.
 current gain increases.
 Q point stays where it is.
  Q point moves up.

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Analog Electronics
When testing an npn transistor using an ohmmeter, the collector-emitter resistance will be low when

 the collector is positive in respect to the emitter.
 the transistor is normal.
  the transistor is defective.
 the emitter is positive in respect to the collector.

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

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

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