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Analog Electronics

Analog Electronics
For Germanium pn junction, the maximum value of barrier potential is

 0.3V
 1.6V
 1.5V
 0.7V

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Analog Electronics
When the Q point moves along the load line, VCE decreases when the collector current

  increases.
 stays the same.
 decreases.
None of these

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Analog Electronics
An opamp has a voltage gain of 200,000. If the output voltage is 1 V, the input voltage is

  1 V.
  2 micro V.
  5 5 micro V.
  10 V.

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

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

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Analog Electronics
Which is the conversion of current done by diode ?

None of these
 DC to AC
 AC to DC
 DC to DC

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Analog Electronics
Example of donor atom is

 Silicon
 Antimony
 Germinium
 Both A and B

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