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Analog Electronics

Analog Electronics
Which of the following is a semiconductors material ?

 All the above
 Ge
 GaAs
 Si

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Analog Electronics
How will be the extrinsic semiconductor act at room temperature ?

 Conductor
None of these
 Medium Conductor
 Poor conductor

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

 1.5V
 1.6V
 0.7V
 0.3V

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Analog Electronics
In a p⁺n junction diode under reverse bias , the magnitude of electric field is maximum at

The edge of the depletion region on the p-side
The p⁺n junction
The center of the depletion region on the n-side
The edge of the depletion region on the n-side

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Analog Electronics
The action of JFET in its equivalent circuit can best be represented as a

Voltage controlled voltage source
Current controlled Current source
voltage controlled current source
Current controlled voltage source

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Analog Electronics
A common - mode signal is applied to

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

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