Q15: You turned on your laptop at 3:00 PM and finished your homework at 9:00 PM, but you forgot to turn it off before going to bed. At 7:00 AM the next morning, the laptop finally ran out of battery. If the computer runs at 150 watts, and the electricity costs Rs 10 per kilowatt- hour. Given that this happened each school da
Answers
Answer:
15,000
Step-by-step explanation:
left hrs=10
10 into 150=1500
1500 into 10=1
15000
Given : You turned on your laptop at 3:00 PM, and finished your homework at 9:00 PM,
you forgot to turn it off before going to bed.
7:00 AM next morning, the laptop finally ran out of battery
the computer runs at 150 watts, and the electricity costs Rs 10 Rs per kilowatt hour
this happened each school day in the month i.e. for 25 days
brainly.in/question/47096646?tbs_match=1 - Complete Question
To Find : how much did this careless wastage of electricity cost you each month
Solution:
You turned on your laptop at 3:00 PM, and finished your homework at 9:00 PM,
So for that time there is no wastage as its being used
Wastage hours are from 9:00 PM to 7:00 AM
= 10 hours
Electricity wasted = 150 * 10 = 1500 Wh
= 1.5 kWh
Cost per day of wastage = 1.5 * 10 = Rs 15
Wastage cost for 25 days = 25 * 15 = 375 Rs
this careless wastage of electricity cost you each month = Rs 375
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