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horrorfan [7]
2 years ago
10

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

Physics
1 answer:
k0ka [10]2 years ago
8 0

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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