What percentage of the input energy is radiated by filament lamps ?
A. 2 to 5 percent
B. 10 to 15 percent
C. 25 to 30 percent
D. 40 to 50 percent
Show Answer
Answer: B
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What percentage of the input energy is radiated by filament lamps ?
A. 2 to 5 percent
B. 10 to 15 percent
C. 25 to 30 percent
D. 40 to 50 percent
Answer: B
Share your understanding of this question with the correct explanation.
