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Analog Electronics

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

 2
 4
 1
 3

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Analog Electronics
MOSFET uses the electric field of

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

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Analog Electronics
The encapsulation of transistor is necessary for

Preventing photo-emission effects
Avoiding loss of free electrons
Preventing radio interference
Mechanical ruggedness

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

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

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Analog Electronics
The main advantage of CMOS is its

  small - signal operation.
  switching capability.
  low power consumption.
  high power rating.

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Analog Electronics
In a rectifier circuit, the diode converts

 alternating voltage to direct voltage.
 alternating voltage to direct current.
 both (A) and (C) options are connect.
 alternating current to direct voltage.

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