Most of the electrons in the base of an NPN transistor flow
Correct answer: C. Into the collector
- A. Out of the base lead
- B. Into the emitter
- C. Into the collector
- D. Into the base supply
Explanation
In an NPN transistor, the flow of current runs from the collector terminal to the emitter terminal. In the PNP transistor, the flow of current runs from the emitter terminal to the collector terminal.
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A p-n junction forms when p-type and n-type semiconductor regions meet, creating a depletion layer, barrier potential and rectifying action. The work covers forward and reverse bias, junction current, diode characteristics, and how a diode converts alternating current into pulsating direct current through half-wave and full-wave rectification.
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