Analog Electronics
If the current gain is unknown in an emitter-biased circuit, you cannot calculate the

 collector current.
 emitter current.
  base current.
 emitter voltage.

ANSWER DOWNLOAD EXAMIANS APP

Analog Electronics
For transistor action

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

ANSWER DOWNLOAD EXAMIANS APP