MCQ
When $\text{npn}$ transistor is used as an amplifier:
  • A
    Electrons move from collector to base.
  • B
    Holes move from emitter to base.
  • C
    Electrons move from base to collector.
  • Holes move from base to emitter.

Answer

Correct option: D.
Holes move from base to emitter.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free