Physics, asked by smoy, 1 year ago

an electric refrigerator rated 400 Watts operate 8 hours a day what is the cost of the energy to operate it for 30 days at 3 rupees per kilowatt hour

Answers

Answered by Nishtha2003
7
w=pt
400×8×30
96000watt
= 96 kwh
so cost = 96×3=288rs
Answered by Anonymous
12

Answer:

hey mate here is your answer....

Explanation:

➡️ The total energy consumed by refrigerator in 30 days would be

  • 400W x 8.0 hours/day x 30 days = 96000 W h or 96 kW h

▶️ The cost of energy to operate the refrigerator for 30 days is

  • 96 kW h x 3.00 per kW h = 288.00

Hope it helps!✌️

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