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Analog Electronics

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

 neither.
  holes.
 free electrons.
 both.

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Analog Electronics
The voltage gain of a loaded differential amp is

  large than the unloaded voltage gain.
  equal to RC / re.
  impossible to determine.
  smaller than the unloaded voltage gain.

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Analog Electronics
The voltage divider biasing circuit is used in amplifiers quite often because it

  limits the AC signal going to base.
  reduces the cost of the circuit.
  makes the operating point almost independent of β.
  reduces the DC base electric current.

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Analog Electronics
What does MOS stand for?

  Metal - oxide semiconductor.
  Metal - on silicon.
  None of them.
  Metal - oxide silicon.

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Analog Electronics
The emitter electric current in a junction with normal bias

  changes greatly by a small changes in collector bias voltage.
  is equal to the sum of IB and IC.
  is equal to ICBO.
  is almost equal to the base current.

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Analog Electronics
Electron mobility is defined as

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

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