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Commercial Unit Of Energy...

Commercial Unit Of Energy

A

watt

B

watt-hour

C

kilowatt-hour

D

kilo-joule

Text Solution

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The correct Answer is:
C
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LAKHMIR SINGH & MANJIT KAUR-ELECTRICITY -Exercise
  1. An electric heater is rated at 2 kW. Electrical energy costs Rs 4 per ...

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  2. Unit of energy is SI system is

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  3. Commercial Unit Of Energy

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

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

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

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

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

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

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

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

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

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

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  14. How does the heat H produced by a current passing through a fixed resi...

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  15. The current passing through an electric kettle has been doubled. The h...

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  16. Name two effect produced by electric current.

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  17. Which effect of current is utilised in an electric light bulb?

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  18. Which effect of electric current is used in the working of an electric...

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  19. Name two effect produced by electric current.

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  20. Explain why, filament type electric bulbs are not power efficient.

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