13.
If10bulbs are lighted 4 hours every day for 60 days then the electricity bill is Rs. 80.
How many bulbs can be lighted for 3 hours everyday for 16 days so that the electricity
bill is Rs. 40
Answers
Answered by
3
Answer:
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Step-by-step explanation:
Energy = Power*time
Energy consumed by 100 W bulb per day = 2∗100 Wh
= 0.2 kWh
Energy consumed by 40 W bulbs per day = 4∗40∗4 Wh
= 0.64 kWh
Total energy consumed per day = 0.2 + 0.64 kWh
= 0.84 kWh
Therefore, the energy consumed in 30 days = 30∗0.84 kWh
= 25.2 kWh
Answered by
0
Step-by-step explanation:
ISME how many bulbs puchha Hai electricity consumed Nahi puchha hai
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