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Analog Electronics

Analog Electronics
The effective channel length of a MOSFET in a saturation decreases with increase in

Gate voltage
Source voltage
Drain voltage
Body voltage

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Analog Electronics
The electric current ICBO flows in the

  collector and base leads.
  none of them.
  emitter and base leads.
  emitter and collector leads.

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Analog Electronics
The knee voltage (cut in voltage) of silicon diode

  0.7 V.
  0.8 V.
  1.0 V.
  0.2 V.

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Analog Electronics
Barrier potential at the temperature (25°C) is 0.7 V, its value at 125°C is

  0.3 V.
  0.5 V.
  0.7 V.
  0.9 V.

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Analog Electronics
Most of the electrons in the base of an NPN transistor do not recombine because they

 flow out of the base.
 have a negative charge.
  have a long lifetime.
 must flow through the base.

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Analog Electronics
The number of valence electrons in silicon atom are :

 4
 2
 3
 1

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