Analog Electronics
Pinch-off voltage in a JFET is

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

ANSWER DOWNLOAD EXAMIANS APP

Analog Electronics
The magnitude of electric current ICBO

  depends largely upon the emitter doping.
  increases with the increase in temperature.
  is generally greater in silicon than in germanium transistor.
  depends largely upon emitter-base junction base potential.

ANSWER DOWNLOAD EXAMIANS APP