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Analog Electronics

Analog Electronics
The majority carriers in the emitter of a PNP transistor are

 free electrons.
 pentavalent atoms.
 trivalent atoms.
 holes.

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Analog Electronics
Electron mobility is defined as

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

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Analog Electronics
Which oscillators are easy to fabricate in a monolithic IC?

 Wien bridge oscillator.
 Relaxation oscillator.
 Crystal oscillator.
 Hartley oscillator.

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Analog Electronics
The 741 C has a unity - gain frequency of

  1 MHz.
  15 MHz.
  10 Hz.
  20 Hz.

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

 low.
 shorted to ground.
 open.
  high.

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Analog Electronics
If (211)X = (152)8, then the value of base x is

 9
 6
 7
 5

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