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प्रश्न
Why is the electric power from the generating station transmitted at high voltage?
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उत्तर
The electric power from the generating station is transmitted at high voltage to minimise the loss of energy in the live wires.
संबंधित प्रश्न
What is consumed using different electrical appliances, for which electricity bills are paid?
Define kilowatt-hour.
Which of the following is likely to be the correct wattage for an electric iron used in our homes?
(a) 60 W
(b) 250 W
(c) 850 W
(d) 2000 W
An electric bulb is rated ‘100 W, 250 V’. What information does this convey?
A bulb marked 12 V, 24 W operated on a 12 volt battery for 20 minutes. Calculate:
(i) the current flowing through it, and
(ii) the energy consumed
Name the physical quantity which is measured in kW.
What is the energy conversion when an electric current passes through a metallic wire?
What is the commercial unit of electrical energy? Represent it in terms of joules.
