Analog Electronics
MOSFET requires

 A large input current and high voltage.
 A large input current.
  Only small input current.
 None of these.

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Analog Electronics
In an OP-amp differentiator

Polarity of input and output is the same
The amplitude of output is proportional to rate of change of input
Output occurs when input is finite and constant
The amplitude of output is proportional to input

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