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A particular household utilizes three electrical appliances for six hours daily if the appliances are...

Physics
JAMB 2024

A particular household utilizes three electrical appliances for six hours daily if the appliances are rated 80W, 100W, and 120W respectively. Calculate the electrical bills paid monthly if an average month is 31 days. [1kwh = #24.08k]

  • A. ₦ 2843.22k
  • B. ₦ 1950.22k
  • C. ₦ 1343.66k
  • D. ₦ 46.23k
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Correct Answer: Option C
Explanation

Total power consumption = 80 + 100 + 120 = 300W

P in KW = 0.3KW

Energy consumed = 0.3 x 6 = 1.8KWh 

Monthly energy consumption = 1.8 x 31 = 55.8KWh

Cost of Monthly energy usage = 55.8 x 24.08 = #1343.664k ( since 1kwh = #24.08k)

There is an explanation video available below.


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Explanation Video

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