Physics, asked by sarakhan80, 1 year ago

Q:a house wife uses a 100W blub for 8hours a day and electric heater of 300w for 4 hours a day the total cost for the month. of June at the rate of 0.05 rupees per unit will be.?

Answers

Answered by nidhi3478
0
100W X 8 h=800Wh


300W×4h=1200Wh

800Wh +1200Wh=2000Wh


2000÷1000=2KWh

2×0.05=0.10/-

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