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On what factors does resistance depend? ...

On what factors does resistance depend? What is the effect on resistance, if:the area of cross section is increased.

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MBD -HARYANA BOARD-ELECTRICITY-EXAMPLE
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  2. On what factors does resistance depend? What is the effect on resistan...

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

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

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

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

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

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

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

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  10. 98 J of heat is produced each second in 2 Omega resistor.Find the pote...

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

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

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

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

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

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

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

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  18. Define energy.

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  19. Define electrical energy and electrical power. Give their respective S...

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  20. Define electric current. What is the unit of electric current? Define ...

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