Advertisements
Advertisements
Question
Name the unit in which you pay the cost of your electricity bill. How is it related to joule?
Advertisements
Solution
UNIT in which the electricity bill is charged is board of TRADE
UNIT = kWh
1 Unit = kWh=3600000 J = 3.6 × 106 J
1 kWh= 3.6 × 106 J
APPEARS IN
RELATED QUESTIONS
The electrical energy consumed in a house is measured by ...............
In a household electrical circuit, the appliance are connected in ............with the mains.
One kilowatt hour is equal to ............ joule.
The purpose of an electric meter in a house is
If out of the two lighted bulbs in a room, one bulb suddenly fuses, then
From where does the electricity come to our home ?
Draw a labelled diagram with the necessary switches to connect a bulb, a fan and a plug socket in a room with the mains. In what arrangement will you connect them to the mains?
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.
State and define the household unit of electricity.
Sumit does 600 J of work in 10 min and Amit does 300 J of work in 20 min. Calculate the ratio of the powers delivered by them.
