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Analog Electronics

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

 10-15 ev
 0 ev
 14-15 ev
 1-3 ev

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Analog Electronics
A D - MOSFET is considered to be a

  current controlled device.
  normally on device.
  normally off device.
  high - power switch.

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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 voltage source
Current controlled Current source
voltage controlled current source

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Analog Electronics
In the constant-current region, how will the IDS change in an n-channel JFET?

  As VGS increases ID remains constant.
  As VGS decreases ID remains constant.
  As VGS increases ID increases.
  As VGS decreases ID decreases.

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Analog Electronics
When P-type substance is connected with positive and N-type is connected with negative terminal then P-N junction diode is in ....................

 No biased
None of these
 Forward biased
 Reverse biased

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Analog Electronics
In the active region, the collector current is not changed significantly by

  collector resistance.
 current gain.
 base supply voltage.
 base current.

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