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संबंधित प्रश्न
Which uses more energy, a 250 W TV set in 1 hr, or a 1200 W toaster in 10 minutes?
1 kWh = ________ J
At a given time, a house is supplied with 100 A at 220 V. How many 75 W, 220 V light bulb could be switched on in the house at the same time (if they are all connected in parallel)?
Why is an electric light bulb not filled with air? Explain why argon or nitrogen is filled in an electric bulb.
State and define the household unit of electricity.
An electric bulb is rated ‘100 W, 250 V’. What information does this convey?
Which cable, one rated 15A and the other rated 5A will be thicker? Give a reason.
What is electric power? State and define its S.I. unit.
Why is a concave reflector placed behind the heating element in a room heater.
An electric heater is rated 220 V, 550 W. Calculate the electrical energy consumed in 3 hours?
