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Electronics — JEE physics STD 12 Science — Question

CBSE BoardEnglish MediumSTD 12 ScienceJEE physicsElectronics1 Mark
MCQ
A NPN transistor conducts when
  • A
    Both collector and emitter are positive with respect to the base
  • ✓
    Collector is positive and emitter is negative with respect to the base
  • C
    Collector is positive and emitter is at same potential as the base
  • D
    Both collector and emitter are negative with respect to the base
✓

Answer

Correct option: B.
Collector is positive and emitter is negative with respect to the base

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