Advertisements
Advertisements
Question
The unit in which we pay the cost of electricity is ..........
Solution
The unit in which we pay the cost of electricity is kWh.
APPEARS IN
RELATED QUESTIONS
S.I. unit and commercial unit of electrical energy are same.
From where does the electricity come to our home ?
What is an electric meter? Where is it fixed in our house?
One day the meter reading is found to be 7643 units while the next day, it was 7657 units. What is the consumption of electricity in a day?
Name the unit in which you pay the cost of your electricity bill. How is it related to joule?
If an appliance of power P watt is used for time t hour. How much electrical energy is consumed in kWh?
In a premise 5 bulbs each of 100 W, 2 fans each of 60 W, 2 A.Cs each of 1.5 kW is used for 5 h per day. Find:
- Total power consumed per day,
- Total power consumed in 30 days,
- Total electrical energy consumed in 30 days.
- The cost of electricity at the rate of ₹ 6.25 per unit.
Two lamps, one rated 220 V, 50 W and the other rated 220 V, 100 W, are connected in series with mains of 220 V. Explain why does the 50 W lamp consume more power.
What is the resistance, under normal working conditions, of an electric lamp rated at '240 v, 60 W' ? If two such lamps are connected in series across a 240 V mains supply, explain why each one appears less bright.
Our body can pass electricity through it.