Question

How n-p-n transistor works? Explain by suitable diagram.

Answer 1

Simplified diagram of the structure of an NPN. ... The NPN transistor is designed to pass electrons from the emitter to the collector (so conventional current flows from collector to emitter). The emitter “emits” electrons into the base, which controls the number of electrons the emitter emits.

Answer 2

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The Emitter and collector junctions are negatively charged due to the use of an N-type diode. While the base is positively charged.

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