Question

In a house there are 4 lamps 20 Watt, 2 lamps 10 Watt, 3 lamps 40 Watt, are used 5 hours every day. If the electric company charge ?9.4523 per kWh, then the cost of using electric energy during 1 month (30 days) is ____. A. ?111.9259 B. ?411.9259 C. ?211.9259 D. ?311.9259

          In a house there are 4 lamps 20 Watt, 2 lamps 10 Watt, 3 lamps 40 Watt, are used 5 hours every day. If the electric company charge ?9.4523 per kWh, then the cost of using electric energy during 1 month (30 days) is ____.

A. ?111.9259
B. ?411.9259
C. ?211.9259
D. ?311.9259

In a house there are 4 lamps 20 Watt, 2 lamps 10 Watt, 3 lamps 40 Watt, are used 5 hours every day. If the electric company charge ?9.4523 per kWh, then the cost of using electric energy during 1 month (30 days) is .

A. ?111.9259
B. ?411.9259
C. ?211.9259
D. ?311.9259

Added by Michelle A.

University Physics with Modern Physics

Hugh D. Young 14th Edition

Instant Answer

Solved by Expert Sri K

04/28/2022

Step 1

Step 1: Calculate the total power consumption per day: - 4 lamps of 20 Watts each = 4 * 20 = 80 Watts - 2 lamps of 10 Watts each = 2 * 10 = 20 Watts - 3 lamps of 40 Watts each = 3 * 40 = 120 Watts Total power consumption per day = 80 + 20 + 120 = 220 Watts Show more…

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In a house, there are 4 lamps of 20 Watts, 2 lamps of 10 Watts, and 3 lamps of 40 Watts that are used for 5 hours every day. If the electric company charges P9.4523 per kWh, then the cost of using electric energy during the month (30 days) is: A. P111.9259 B. P411.9259 C. P211.9259 D. P311.9259