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Helen [10]
4 years ago
12

Your electricity bill says 834-kWh of consumption. With this amount of energy, how many 59-W light bulbs can be powered for an a

verage of 7 hours?
Physics
1 answer:
kvv77 [185]4 years ago
5 0

Answer:

2019 light bulbs

Explanation:

So the electrical energy consumed by each 59-W light bulb within 7 hours is the product of the power and time duration

E = Pt = 59 * 7 = 413 Wh or 0.413 kWh

If each light bulb consumes 0.413 kWh, then the total number of light bulbs needed to consume 834 kWh would be

834 / 0.413 = 2019 light bulbs

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