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  1. Which one among the following is the correct order of power consumption for light of equal intensity ?
    1. CFL tube < Fluorescent tube < Incandescent bulb < Light emitting diode
    2. Light emitting diode < CFL tube < Fluorescent tube < Incandescent bulb
    3. CFL tube < Fluorescent tube < Light emitting diode < Incandescent bulb
    4. Incandescent bulb < Light emitting diode < Fluorescent tube < CFL tube
Correct Option: B

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


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