A 250 watt electric bulb is lighted for 5 hours daily and four 6 watt bulbs are lighted for 4.5 hours daily. Calculate the energy consumed (in kWh) in the month of February.
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Answered by
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Answer:
Given:
for 250 watt bulb
P=250 watt
t=5hours
for 6 watt bulb
P=6watt
t=4.5hours
Explanation:
formula:
Energy=power×time
for 250 watt bulb
E=250×5
E=1250 Wh
E=1.25 kWh
for 6 watt bulb
E=6×4.5
E=27 Wh
E=0.027 kWh
Total Energy...
E = E of 250 +E of 6 watt
E = 1.25 + 0.027
E = 1.277 kWh
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