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Analog Electronics

Analog Electronics
If the zener diode in a zener regulator is connected with the wrong polarity, the load voltage will be closest to

  14 V.
  18 V.
  0.7 V.
  10 V.

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Analog Electronics
A D - MOSFET can operate in the

  low - impedance.
  depletion - mode only .
  depletion - mode or enhancement - mode.
  enhancement - mode only.

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

 1
 1/4
 1/2
 1/3

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Analog Electronics
The collector - emitter voltage is usually

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

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Analog Electronics
When there is no base current in a transistor switch, the output voltage from the transistor is

 unchanged.
 low.
  high.
 unknown.

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Analog Electronics
The most commonly used amplifier in sample & hold circuits is

An inverting amplifier with a gain of 10
A unity gain non-inverting amplifier
A unity gain inverting amplifier
An inverting amplifiers with a gain of 100

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