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CDS II 2018
Question #512
Nuclear & Energy Technology
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Which one of the following does not convert electrical energy into light energy?
A
A candle
B
A light emitting diode
C
A laser
D
A television set
Pick an option above to test your answer
Reveal Answer ⌄
Subject:
Science & Technology
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Which one of the following does not convert electrical energy into light energy? | CDS II 2018 Solved PYQ | UPSCGPT