CBSE BOARD X, asked by ritikagoswami2006, 7 months ago

6 tubelights of 40 watt each and 4 fans of 100 watt each operate on an average 10 hours a day . If the energy costs Rs 3 /- per unit , calculate the electricity bill for the month of feburary . ​

Answers

Answered by evakvictor
2

Answer- 4 tube lights of 40 W each and 2 fans of 100 W each are mains and operate on ... of 8 h a day. If energy costs Rs. 2 per kWh calculate i) monthly bill ... Energy used by tube lights in one day= 60w*5*4=1.2 kwh ... Energy used by washing machine in one day= 400w*3= 1.2 kwh ... And, Cost per unit= Rs. 1.8.

Answered by ansaririda2801
10
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