An electric heater is marked with 220 V and 750 W, then how much electrical energy consumed by that heater in 10 hrs.
In a house to tube lights of 30 W works for 5 hrs daily, 2 television of 40 W runs 4 hrs daily, an electric iron of 750 W for 2 hrs in a week and 4 electric bulbs of 00 W lights 4 hrs daily. Calculate the electricity consumed in a month. If 1 unit cost is Rs. 7 Then what will be the total bill.
If 2 heaters of 1000 W and 6 bulbs of 0 watt are used at the rate of 4 hrs and 8 hrs respectively per day , then what will be the total consumption of electricity within a month at that house.
Electric iron draws a current of 8 A from 220 V supply. What is the cost of using the iron 5 hours every day for one month? The rate of unit cost is Rs. 9
What is the formula to calculate cost of electrical power consumption?