Advertisements
Advertisements
Question
The purpose of an electric meter in a house is
Options
to give the cost of electricity directly
to give the consumption of electrical energy
to safeguard the circuit from short circuiting
to put on or off the mains.
Advertisements
Solution
to give the consumption of electrical energy
APPEARS IN
RELATED QUESTIONS
S.I. unit and commercial unit of electrical energy are same.
The unit in which we pay the cost of electricity is ..........
One kilowatt hour is equal to ............ joule.
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?
Assuming the electric consumption per day to be 12 kWh and the rate of electricity to be? 6.25 per unit, find how much money is to be paid in a month of 30 days?
What is the voltage of the electricity that is generally supplied to a house?
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.
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.
