Discussion :: Communication Systems
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A remote control for TV uses
A.
LED in receiver and photodiode in transmitter
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B.
LED in transmitter and photodiode in receiver
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C.
LED in both transmitter and receiver
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D.
Photodiode in both transmitter and receiver
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Answer : Option B
Explanation :
Infrared LED transmits the pulse. At receiver photo diode converts infrared signals into electrical signals.
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