Hi friends i have doubt in a question given below.... Could u all help me?
Calculate the electricity bill amount for a month of 31 days if the following devices are used as specified.
a. 3 bulbs of 40W for 6h
b. 5 tube lights of 50W for 8h
c. A refrigirator of 300W for 24h.
Given the rate of electricity is Rs 15.00 per unit..
Answers
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You can use formula P=VIT
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1 unit = 1 kwh
total kwh = 120W × 6h × 31days
= 22320
total consumed unit = 22320/ 1000 =22.32
22.32× 15 = 334.8
i think it's right
total kwh = 120W × 6h × 31days
= 22320
total consumed unit = 22320/ 1000 =22.32
22.32× 15 = 334.8
i think it's right
vishalsaini:
it is right or wrong
It is right
U can see
i have not answer of this question
according to this you can do all
Thankyou
is it correct ?
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