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Analog Electronics

Analog Electronics
Barrier potential at the temperature (25°C) is 0.7 V, its value at 125°C is

  0.3 V.
  0.7 V.
  0.5 V.
  0.9 V.

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Analog Electronics
Ignoring the bulk resistance of the collector diode, the collector-emitter saturation voltage is

 a few tenths of a volt.
 1 V.
  0.
 supply voltage.

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Analog Electronics
Silicon and Germanium are ________ elements.

 tetravalant
 hexavalant
 pentavalant
 trivalant

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Analog Electronics
The β of a transistor may be determined directly from the curve plotted between

  VCE and IC for constant IB.
  VBE and IE for constant VCE.
  VCE and IE for constant IB.
  VCE and IC for constant IE.

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Analog Electronics
What is the condition if no external potential energy is applied to the PN junction then diode ?

 Reversed biased
 Zero Bias
 Forward biased
None of these

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Analog Electronics
When VGS = 0 V, a JFET is

  saturated.
  an open switch.
  an analog device.
  cut off.

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