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Analog Electronics

Analog Electronics
What will be the Potential barrier for Si Diode ?

 0.7 V
 0.3 V
 0.07 V
 0.05 V

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Analog Electronics
Which material behave like perfect insulators at low temperatures & conductor at higher temperature ?

 Si
 GaAs
 Ge
 All the above

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Analog Electronics
In modern the MOSFET, the material used for the gate is

  epitaxially grown silicon.
  heavily doped poly crystalline silicon.
  high - purity silica.
  high - purity silicon.

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Analog Electronics
If the emitter resistance decreases, the

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

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Analog Electronics
A 555 IC is used to produce

 byte
 counter
 register
 clock

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Analog Electronics
Which of the following is a semiconductors material ?

 Si
 All the above
 Ge
 GaAs

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