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Analog Electronics

Analog Electronics
In n type semiconductor elements of which group of periodic table is added as dopant

 group 3.
 group 5.
 group 4.
 group 2.

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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.
  reduces the cost of the circuit.
  limits the AC signal going to base.
  reduces the DC base electric current.

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Analog Electronics
Germanium has

 covalent bond.
 ionic bond.
 molecular bond.
 metallic bond.

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Analog Electronics
MOSFET requires

 A large input current and high voltage.
  Only small input current.
 A large input current.
 None of these.

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Analog Electronics
What is the charge of mobile charge carriers of holes ?

 Positively charged
None of these
 No charged
 Negatively charged

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Analog Electronics
Acceptor type impurities

 are used to make P-type semiconductor
 have three valance electrons
All of these
 Create excess holes

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