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Why is it that very small amount of heat...

Why is it that very small amount of heat is produced in connecting wires whereas large amount of heat is prodiuced in heating filament of electric bubl?

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MBD -HARYANA BOARD-ELECTRICITY-EXAMPLE
  1. Define unit of electric energy?

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  2. How many joules are present in 1 kilowatt hour? Also derive numericall...

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  3. Why is it that very small amount of heat is produced in connecting wir...

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  4. Give reasons for the following: If you connect ammeter in parallel i...

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  5. On what factors does resistance depend? What is the effect on resistan...

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  6. On what factors does resistance depend? What is the effect on resistan...

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  7. Current of 100 mA flows thrugh the filament of an electric bulb for 30...

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  8. 60 coulomb of chare flows through a circuit for 5 minutes.calculate th...

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  9. Calculate the area of cross section of wire whose length is 10.0 m and...

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  10. Resistance of a metal wire of length 1 m is 26 Omega at 20^@C. If the...

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  11. In an electric circuit,a battery of five cells each of 2 v,resistors o...

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  12. An electric lamp, whose resistance is 20 Omega and a conductor of 4 Om...

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  13. 98 J of heat is produced each second in 2 Omega resistor.Find the pote...

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  14. The rating of an electric heater is1100 w, 220V calculate the resistan...

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  15. What is the (a) highest :(b) lowest total resistance that can be secur...

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  16. An electric bulb of power of power 40 W is lighted daily for 8 hours f...

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  17. A household uses the following electric appliance: Refrigerator of ra...

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  18. A household uses two elelctric fans of rating 80 W each for 12 hours e...

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  19. A household uses six electric tubes of rating 18 W each for 6 hours ea...

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  20. An electric motor takes 5 A form a 220 V line. Determine the power of ...

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