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Analog Electronics

Analog Electronics
In a loaded zener regulator, which is the largest current?

None of these
  Series current.
  Load current.
  Zener current.

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Analog Electronics
Which material behave like perfect insulators at low temperatures & conductor at higher temperature ?

 All the above
 Ge
 GaAs
 Si

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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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Analog Electronics
The amount of time between the creation and disappearance of a free electrons is called

 bound electrons
 drift velocity
 recombination
 life time of the carriers

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Analog Electronics
If the collector resistor opens in a base-biased circuit, the load line will become

  horizontal.
 useless.
 flat.
 vertical.

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

 14-15 ev
 1-3 ev
 0 ev
 10-15 ev

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