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Analog Electronics

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

All inductors
All resistors
All capacitors
All transistors

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Analog Electronics
In a loaded zener regulator, which is the largest current?

  Series current.
None of these
  Load current.
  Zener current.

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Analog Electronics
The conduction loss verses device current characteristics of power MOSFET in best approximately by

 a straight line.
 a parabola.
 an exponentially decaying function.
 a rectangular hyperbola.

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Analog Electronics
What is an energy gap?

 Energy level at which an electron can exist
 Space between two orbital shells
 Energy band in which electrons can move freely
None of these

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Analog Electronics
Under normal reverse bias voltage applied to diode, the reverse electric current in Si diode

  1000 micro A.
  none of them.
  100 mA.
  order of micro A.

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Analog Electronics
Input impedance of MOSFET is

  less than that of FET and BJT.
  more than that of FET but less than BJT.
  more than that of FET and BJT.
  less than of FET but more than BJT.

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