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Analog Electronics

Analog Electronics
A semiconductor material is formed by

 Metallic bonds
 Covalent bonds
 Electrovalent bonds
None of these

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Analog Electronics
A common - mode signal is applied to

  both inputs.
  the top of the tail resistor.
  the inverting input.
  the non - inverting input.

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Analog Electronics
Generally, the gain of a transistor amplifier falls at high frequencies due to the

Internal Capacitance of the device
Coupling capacitor at the output
Skin effect
Coupling capacitor at the input

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Analog Electronics
Large electric current flow of a BJT occurs

  in emitter.
  in collector.
  through emitter-collector
  in base.

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Analog Electronics
What will be the result if pentavalent impurity is added to pure germanium or silicon ?

 Intrinsic semiconductor
 N-type semiconductor
None of these
 P-type semiconductor

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

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

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