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What is meant by resistivity ? Write its...

What is meant by resistivity ? Write its S.I. unit.

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MBD-ELECTRICITY-EXAMPLE
  1. Define resistance of conductor. Also give its units

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  2. What is meant by resistance of conductor and define its units.

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  3. What is meant by resistivity ? Write its S.I. unit.

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  4. What is electric current? Give its SI unit?

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  5. Name and define unit for electric current ?

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  6. What is electric energy? what is its SI unit?

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  7. Which instrument is used to measure current in the circuit ? how is it...

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  8. Define unit of electric energy?

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  9. How many joules are present in 1 kilowatt hour?

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  10. Give reasons for the following: if you connect ammeter in parallel it ...

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  11. Give reasons for the following : Resistivity of some materials if decr...

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  12. What is the effect on resistance, if the length of wire is increased

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  13. What is the effect on resistance, if the area of cross section is incr...

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  14. Current of 100 mA flows through the filament of an electric bulb for 3...

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  15. 60 coulomb of charge flows through a circuit for 5 minutes. Calculate ...

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  16. Calculate the area of cross section of wire whose length is 1.0 m and ...

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  17. Resistance of a metal of length 1 m is 26 Omegaat 20^@C If the diamete...

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

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

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  20. 98 J of heat is produced each second in 2 Omega resistor.Find the pote...

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