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3. How many Joules of energy are used by a 4 Watt bulb burning for 2 hours? How much would it be in kWh? in kwhp. E t For haw
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Answer #1

- Energy in Jouls: E = Pxt = 4 Wxzh = 4x(2x 3600 s) = 28800 J Answer = Energy in kwH E = Pxt = 4 Wxzh = 4x103 kW X Zh = 8x10-

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