Learning how you use electricity start from basic knowledge of 1kwh =1unit.
What can i do with 1 kwh?
1) You can use iron for 1 hour
2) 40 pieces of Toast
3) Bake a birthday cake
4) Use 10W LED lamp for 100 hours
5) 400W kettles use to boil 4 times of hot water
or
6) Watch 500W LED TV for 20 hours
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