In the transistor schematic symbol, the arrow is:
Correct answer: C. Located on the emitter
- A. Located on the base
- B. Located on the collector
- C. Located on the emitter
- D. None of these
Explanation
The arrow on the symbol for bipolar transistorsindicates the PN junction between base and emitter and points in the direction in which conventional current travels, i.e. the direction of holes.
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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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