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प्रश्न
The purpose of an electric meter in a house is
विकल्प
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.
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उत्तर
to give the consumption of electrical energy
APPEARS IN
संबंधित प्रश्न
S.I. unit and commercial unit of electrical energy are same.
What is an electric meter? Where is it fixed in our house?
State the purpose of kWh meter.
The diagram below in figure shows the reading on the dials of a meter. State what is its reading.
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?
What is an electric fuse? State its purpose in the household electrical circuit.
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 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.
An electrical appliance is rated as 60 W – 150 V.
How much current will flow through the appliance when in use?
