a house has 3 tube lights 20 watt each . each tube light on for 5 hours find the energy consumed in 30 days
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Given,
Number of tube lights = 3
Watt of each tube light = 20 watt
Daily on time = 5 hours
Total days = 30 days
For, calculating the total consumption we need to calculate the total watt consumption of one day and total on time.
Power consumption of one day = 20 × 3 = 60 watts
Total time = 30 × 5 = 150 hours
Total consumption = 60×150 = 9000 Wh = 9 kWh = 9 units (1 kWh = 1 Unit)
Hence,the total electricity consumption is 9 units.
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