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The resistance of a conductor depends on...

The resistance of a conductor depends on its

A

Length

B

area of cross section

C

temperature

D

all of these

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The correct Answer is:
D
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NIKITA PUBLICATION-CURRENT ELECTRICITY-Multiple Choice Questions
  1. If a potential difference of 1 volt applied across the conductor cause...

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  2. S.I. unit of conductance is

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  3. The resistance of a conductor depends on its

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  4. The reciprocal of conductivity is called as

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  5. A conductor of length l and area of cross-section A has a resistance R...

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  6. The resistance of the material of unit length and unit area of cross s...

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  7. S.I. unit of specific resistance is

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  8. When the length and area of cross-section both are doubled, then its r...

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  9. The specific resistance of all metals is most affected by

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  10. If 'n' is the number of free electrons in a metallic wire, then the re...

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  11. The example of an ohmic conductor is

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  12. The example for non- ohm ice resistance is

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  13. A metal wire of cross-sectional area 1m m^(2) contains 5xx10^(22) elec...

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  14. A nichrome wire of length 100 cm and area of cross-section 0.5 m m^(2)...

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  15. If a wire of resistance 25Omega is uniformly stretched until its lengt...

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  16. The resistance of a wire is 2 Omega. The wire is stretched to doubel i...

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  17. A certain piece of copper is to be shaped into a conductor of minimum ...

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  18. A wire of 50 cm long, 1mm^(2) in cross-section carries a current of 4 ...

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  19. Two wires of the same metal have same length, but their cross-sections...

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  20. A metallic wire carries a current of 100 A , its area of cross section...

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