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Analog Electronics

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

 All the above
 Si
 GaAs
 Ge

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

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

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Analog Electronics
When the current gain increases from 50 to 300 in an emitter-biased circuit, the collector current

 is zero.
  remains almost the same.
 decreases by a factor of 6.
 increases by a factor of 6.

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Analog Electronics
Which oscillators are easy to fabricate in a monolithic IC?

 Crystal oscillator.
 Hartley oscillator.
 Wien bridge oscillator.
 Relaxation oscillator.

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Analog Electronics
Peak inverse voltage (PIV) can be termed as

 Reverse saturation voltage.
  Peak repetitive voltage.
 Zener break down voltage.
 Advalance break down village.

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Analog Electronics
Donors to a semiconductor material is

 Trivalant
 Pentavalant
 Divalant
 Tetravalant

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MORE MCQ ON Analog Electronics

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