Analog Electronics
For transistor action

  Je must be forward biased and Jc should be reverse biased.
  the emitter should be heavily doped.
  the base region must be very thin and lightly doped.
  all of these.

ANSWER DOWNLOAD EXAMIANS APP

Analog Electronics
In an OP-amp differentiator

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

ANSWER DOWNLOAD EXAMIANS APP