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Analog Electronics

Analog Electronics
In a pnp transistor, the major carriers in the emitter are

 neither.
 free electrons.
 both.
  holes.

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Analog Electronics
Which of the following is the pentavalent material ?

 Gallium
 Arsenic
 Boron
 Neon

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Analog Electronics
The electric current ICBO flows in the

  emitter and collector leads.
  emitter and base leads.
  none of them.
  collector and base leads.

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Analog Electronics
When a reverse bias is applied to a diode, it will

  increases the majority carrier an electric current greatly.
  lower the potential barrier.
  none of these.
  raise the potential barrier.

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Analog Electronics
A 555 IC is used to produce

 counter
 register
 byte
 clock

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Analog Electronics
When pn junction is reverse biased

 a small current flows through it because of minority carriers
 the witdh of depletion layer increases
All of these
 it offers a very high resistance

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