Analog Electronics
Depletion region of a p-n junction is formed

 During Heating
 During Forward bias
 During Reverse bias
 During Manufacturing

ANSWER DOWNLOAD EXAMIANS APP

Analog Electronics
Optocouplers combine

 IGBTs and MOSFETs.
  Infrared light emitting diode and a silicon photo transistor.
 SITs and BJTs.
 Power transistor and silicon transistor.

ANSWER DOWNLOAD EXAMIANS APP