Analog Electronics
The Q-point in a voltage amplifier is selected in the middle of the active region because

  the circuit needs a small.
  it gives better stability.
  it gives distortions less output.
  the biasing circuit then need less number of resistors.

ANSWER DOWNLOAD EXAMIANS APP

Analog Electronics
The typical input stage of an opamp has a

  differential input and differential output.
  single - ended input and differential output.
  differential input and single - ended output.
  single - ended input and single-ended output.

ANSWER DOWNLOAD EXAMIANS APP