In a house 5 bulbs of 25 watt are used for 6 hours a day . calculate the unit of electricity consumed in a month for 30 days. Also find the Total expenditure of 1 unit of electricity cost Rs. 1.5.
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Answer:
Explanation:
total power consumed per hr , P = 5×25 W = 125 W
electricity consumed in 30 days
= 125 W × 6 h ×30 days = 22500 Wh
= 22.5 kWh = 22.5 units
now
monthly bill = 1.5×22.5 = Rs 33.75
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