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

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

ANSWER DOWNLOAD EXAMIANS APP

Analog Electronics
Pinch-off voltage in a JFET is

 the gate to source voltage that gives unity drain current.
 the gate to source voltage that gives zero drain current.
 the drain voltage that gives zero drain current.
 the drain voltage that gives infinite drain current.

ANSWER DOWNLOAD EXAMIANS APP