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Analog Electronics

Analog Electronics
A diode (p-n junction) when reverse biased act as

 Capacitor
 Off Switch
 On Switch
 Zener diode

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Analog Electronics
If the emitter resistance increases, the collector voltage

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

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Analog Electronics
The voltage across the zener resistance is usually

  large.
  subtracted from the breakdown voltage.
  small.
  measured in volts.

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Analog Electronics
The emitter of the transistor is generally doped the heaviest because it

  has to supply the charge carriers.
  has to dissipate maximum power.
  is the first region of transistor.
  must possess low resistance.

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Analog Electronics
An emitter follower has a voltage gain that is

  approximately equal to one.
 much less than one.
 zero.
 greater than one.

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Analog Electronics
For a diode, reverse recovery time is defined as the time between the instant diode current becomes zero and the instant reverse recovery current decays to

  25% of reverse peak current.
 15% of reverse peak current.
 0.
 10% of reverse peak current.

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