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Analog Electronics

Analog Electronics
When Semiconductor materials is heated its resistance

 remains constant
 decreases
None of these
 increases

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Analog Electronics
The AC base voltage of an emitter follower is across the

 emitter diode.
 DC emitter resistor.
  emitter diode and external AC emitter resistance.
 load resistor.

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Analog Electronics
A depletion MOSFET differs from a JFET in the sense that it has no

  gate.
  p - n junction.
  channel.
  substrate.

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Analog Electronics
The input stage of an op amp is usually a

  class B push-pull amplifier.
  CE amplifier.
  swamped amplifier.
  differential amp.

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Analog Electronics
The voltage follower has a

  closed - loop voltage gain of unity.
  small open - loop voltage gain.
  closed - loop bandwidth of zero.
  large closed - loop output impedance.

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Analog Electronics
When VGS = 0 V, a JFET is

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

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