UPSC NDA II 2012 General Ability Paper

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Question : 54 of 150

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Which one among the following is the correct order of power consumption for light of equal intensity?

CFL tube < Fluorescent tube < Incandescent bulb < Light emitting diode
Light emitting diode < CFL tube < Fluorescent tube < Incandescent bulb
CFL tube < Fluorescent tube < Light emitting diode < Incandescent bulb
Incandescent bulb < Light emitting diode < Fluorescent tube < CFL tube

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