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An electric kettle connected to the 230V...

An electric kettle connected to the 230V mains supply draws a current of 10 A. Calculate:
(a) the power of the kettle.
(b) the energy transferred in 1 minute.

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The correct Answer is:
(a) 2300 W or 2.3 kW (b) 1,38,00 J or 138 kJ
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LAKHMIR SINGH & MANJIT KAUR-ELECTRICITY -Exercise
  1. Compare the power used in the 2 Omega resistor in each of the followin...

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  2. Two lamps, one rated 40W at 220V and the other 60W at 220 V, are conne...

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  3. An electric kettle connected to the 230V mains supply draws a current ...

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  4. A 2 kW heater, a 200 WTV and three 100W lamps are all switched on from...

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  5. What is the maximum power in kilowatts of the appliance that can be co...

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  6. An electric fan runs from the 230V mains. The current flowing through ...

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  7. (a) What is meant by "electric power"? Write the formula for electric ...

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  8. When an electric lamp is connected to 12V battery, it draws a current ...

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  9. The unit for expressing electric power is:

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  10. Which of the following is likely to be the correct wattage for an elec...

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  11. An electric heater is rated at 2 kW. Electrical energy costs Rs 4 per ...

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  12. Unit of energy is SI system is

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  13. Commercial Unit Of Energy

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  14. How much energy does a 100W electric bulb transfer in 1 minute?

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  15. An electric kettle for use on a 230V supply is rated at 300 W. for saf...

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  16. How many joules of electrical energy are transferred per second by a 6...

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  17. At a given time, a house is supplied with 100A at 220V. How many 75W, ...

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  18. If the potential difference between the ends of a fixed resistor is ha...

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  19. State whether an electric heater will consume more electrical energy o...

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  20. The table below shows the current in three different electrical applia...

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