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An electric kettle rated at 220V, 2.2kW,...

An electric kettle rated at 220V, 2.2kW, works for 3 hours. Find the energy consumed and the current drawn.

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The correct Answer is:
`6.6 kWh; 10A`
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LAKHMIR SINGH & MANJIT KAUR-ELECTRICITY -Exercise
  1. An electric bulb is connected to a 220V power supply line. If the bulb...

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  2. In which of the following cases more electrical energy is consumed per...

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  3. An electric kettle rated at 220V, 2.2kW, works for 3 hours. Find the e...

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  4. In a house two 60W electric bulbs are lighted for 4 hours, and three 1...

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  5. A bulb is rated as 250V, 0.4A. Find its : (i) power and (ii) resistanc...

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  6. For a heater rated at 4kW and 220V, calculate: (a) the current, (b...

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  7. An electric motor takes 5 amperes current from a 220 volt supply line....

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  8. Which uses more energy: a 250 WTV set in 1 hour or a 1200 W toaster in...

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  9. Compare the power used in the 2 Omega resistor in each of the followin...

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

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

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

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

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

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

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

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  17. The unit for expressing electric power is:

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

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

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  20. Unit of energy is SI system is

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