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प्रश्न
Name the physical quantity which is measured in kW.
उत्तर
Electrical power is measured in kW.
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संबंधित प्रश्न
Which of the following terms does not represent electrical power in a circuit?
Calculate the current through a 60 W lamp rated for 250 V. If the line voltage falls to 200 V, how is the power consumed by the bulb affected?
An immersion heater rated 1000 W, 220 V is used to heat 0.01 m3 of water. Assuming that the power is supplied at 220 V and 60% of the power supplied is used to heat the water, how long will it take to increase the temperature of the water from 15°C to 40°C?
Three 250 W heaters are connected in parallel to a 100 V supply, Calculate the resistance of each heater.
An electrical appliance is rated 1500 W, 250 V. This appliance is connected to 250 V mains. Calculate:
(i) the current drawn,
(ii) the electrical energy consumed in 60 hours,
(iii) the cost of electrical energy consumed at Rs. 2.50 per kWh.
Electric power is inversely proportional to ____________.
