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प्रश्न
Which electronic component allows current to flow in only one direction and has a coloured band to indicate its cathode?
विकल्प
Resistor
Capacitor
LED
Diode
MCQ
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उत्तर
Diode
Explanation:
A diode is a semiconductor device that permits current flow in only one direction (from anode to cathode). It has a coloured band marked on one end to identify the cathode terminal, helping to correctly orient it in a circuit.
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