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

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

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Analog Electronics
A Semiconductor has a

 Constant Temperature coefficient of resistance
 Negative Temperature coefficient of resistance
None of these
 Positive Temperature coefficient of resistance

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