Approximately how much electrical energy does a 5-W lightbulb convert to radiant and thermal energy in one hour?​

Question

Approximately how much electrical energy does a 5-W lightbulb convert to radiant and thermal energy in one hour?​

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Gerda 5 years 2021-08-29T23:46:45+00:00 1 Answers 15 views 0

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  1. diemkieu
    0
    2021-08-29T23:48:40+00:00
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    Answer:

    18,000 j

    Explanation:

    the lightbulb dissipates 5W of power

    P = ΔE / Δt

    rearrange to solve for energy

    ΔE = PΔt

    P = 5W

    t =  1 hour = 60 minutes = 3600 seconds

    ΔE = 5 * 3600

    ΔE = 18000 J

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