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Analog Electronics

Analog Electronics
The feedback factor of a Wien bridge oscillator using Op-Amp is

 1/2
 1
 1/4
 1/3

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Analog Electronics
An instrumentation amplifier has a high

  supply voltage.
  power gain.
  CMMR.
  output impedance.

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Analog Electronics
If the current gain is unknown in an emitter-biased circuit, you cannot calculate the

 emitter voltage.
 emitter current.
  base current.
 collector current.

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Analog Electronics
When VGS = 0 V, a JFET is

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

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Analog Electronics
The base - emitter voltage is usually

  less than the base supply voltage.
 equal to the base supply voltage.
 none of these.
 more than the base supply voltage.

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Analog Electronics
Which of the following does not obey the Ohm's law?

 Bilateral device
None of these
 Resistor
 Semiconductor

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