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Analog Electronics

Analog Electronics
If the base supply voltage is disconnected, the collector-emitter voltage will equal

 10.5 V.
  collector supply voltage.
 6 V.
 0 V.

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Analog Electronics
MOSFET uses the electric field of

  barrier potential of p-n junction to control the channel current.
  gate capacitance to control the channel current.
  both (A) and (B).
  none of these.

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Analog Electronics
In an NPN transistor, the majority carriers in the emitter are

 neither.
 both.
 holes.
  free electrons.

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Analog Electronics
In a differential amplifier, the CMRR is limited mostly by the

  tolerance of the resistors.
  supply voltages .
  gain - bandwidth product.
  CMRR of the opamp.

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Analog Electronics
In a normally biased npn transistor, the electrons in the emitter have enough energy to overcome the barrier potential of the

 base - collector junction.
  base - emitter junction.
 recombination path.
 collector - base junction.

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Analog Electronics
Energy gap of conductor is

 8 eV.
 1 - 2 eV.
 0 eV.
 5 - 8 eV.

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