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Analog Electronics

Analog Electronics
Which of the following is a semiconductors material ?

 All the above
 Si
 GaAs
 Ge

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Analog Electronics
A small collector current with zero base current is caused by the leakage current of the

  collector diode.
 transistor.
 emitter diode.
 base diode.

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Analog Electronics
Electron mobility is defined as

 the movement of electrons
 Drift velocity per unit field
None of these
 Diffusion velocity per unit field

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Analog Electronics
In MOSFET devices the N-channel type is better the P-channel type in the following respects

  it has better drive capability.
  it has better noise immunity.
  it is TTL compatible.
  it is faster.

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Analog Electronics
The input impedance of the base of an emitter follower is usually

  high.
 shorted to ground.
 low.
 open.

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Analog Electronics
Which of the following is Pentavalent impurity?

 antimony
 gallium
 boron
 indium

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