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An electric fan runs from the 230V mains...

An electric fan runs from the 230V mains. The current flowing through it is 0.4A. At what rate is electrical energy transferred by the fan?

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LAKHMIR SINGH & MANJIT KAUR-ELECTRICITY -Exercise
  1. A 2 kW heater, a 200 WTV and three 100W lamps are all switched on from...

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

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

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

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

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  6. The unit for expressing electric power is:

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

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

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  9. Unit of energy is SI system is

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  10. Commercial Unit Of Energy

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

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

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

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

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

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

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

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  18. A boy noted the readings on his home's electricity meter on Sunday at ...

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  19. Several electric bulbs designed to be used on a 220 V electric supply ...

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  20. Two exactly similar electric lamps are arranged (i) in parallel, and (...

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