Your mobile charger costs less than a rupee to charge your mobile phone per day

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Your mobile charger costs less than a rupee to charge your mobile phone per day.
Yes, indeed, mobile chargers don’t cost you more than 20-30 rupees a year.
Here we are talking about the normal 10-watt charger.
If you charge your phone for about 2 hrs a day it will just consume 0.020 units or kWh of electricity. And if you charge your phone 2 hours a day for a year it will become 3.65 units which will cost around 25 rupees a year. ( by a unit rate of 3.5 rs/unit, note: these unit rates vary according to consumption).

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