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Analog Electronics

Analog Electronics
In deriving ac equivalent circuit for an amplifier circuit we short circuit

All capacitors
All transistors
All resistors
All inductors

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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

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

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Analog Electronics
If the collector resistor is open, the collector voltage is

 unchanged.
  low.
 high.
 unknown.

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Analog Electronics
What is the range of energy band gap of semiconductors ?

 0 ev
 10-15 ev
 14-15 ev
 1-3 ev

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Analog Electronics
A 555 IC is used to produce

 register
 byte
 counter
 clock

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Analog Electronics
When there is no base current in a transistor switch, the output voltage from the transistor is

 unknown.
 low.
 unchanged.
  high.

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MORE MCQ ON Analog Electronics

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