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What do you mean by power rating of an e...

What do you mean by power rating of an electrical appliance ? How do you use it to calculate
the resistance of the appliance ?

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ICSE-CURRENT ELECTRICITY-EXERCISE-8(C)
  1. Write an expression for the electrical energy spent in the flow of cur...

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  2. Electrical power P is given by the expression P = (Q xx V) div time. ...

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  3. Electrical power P is given by the expression P = (Q xx V) div time. ...

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  4. Name the S.I. unit of electrical energy. How is it related to Wh?

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  5. Explain the meaning of the statement 'the power of an appliance is 100...

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  6. State and define the S.I. unit of power.

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  7. State and define the household unit of electricity.

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  8. What is the voltage of the electricity that is generally supplied to a...

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  9. What is consumed using different electrical appliances, for which elec...

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  10. Name the quantity which is measured in (a) kWh (b)kW (c )Wh (d)eV

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  11. Define the term kilowatt-hour and state its value in S.I. unit.

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  12. How do kilowatt and kilowatt-hour differ?

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  13. Complete the following: 1 k Wh = (" 1 volt"xx "1 ampere"xx "…..")/(...

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  14. Complete the following: 1 k Wh =………J

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  15. What do you mean by power rating of an electrical appliance ? How do y...

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  16. What do you mean by power rating of an electrical appliance ? How do y...

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  17. An electric bulb is marked 100 W, 250 V. What information does this co...

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  18. List the names of three electrical gadgets used in your house. Write t...

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  19. Two lamps, one rated 220 V, 50 W and the other rated 220 V, 100 W, are...

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  20. Name the factors on which the heat produced in a wire depends when cur...

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