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Analog Electronics

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

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

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Analog Electronics
A 555 IC is used to produce

 register
 counter
 byte
 clock

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Analog Electronics
The CE amplifier circuit are preferred over CB amplifier circuit because they have

  lower amplification factor.
  larger amplification factor.
  high input resistance and low output resistance.
  none of these.

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Analog Electronics
Assume that diode D1, D2 in figure are ideal diodes. The value of current is mcq-diagram

 2 mA.
 1 mA.
 0.5 mA.
 0 mA.

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Analog Electronics
A transistor has how many PN junctions?

 1.
 3.
  2.
 4.

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Analog Electronics
The forbidden energy gap between valance band and conduction band in semiconductor material is about

 0 eV
 15 eV
None of these
 1eV

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