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For the validity of Ohm's law, which of ...

For the validity of Ohm's law, which of following quantity is constant ?

A

Length

B

Temperature

C

Area of cross-section

D

all of these

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The correct Answer is:
D
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  9. Ohm is the S.I. unit of

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  10. The reciprocal of resistance is

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  11. If a potential difference of 1 volt applied across the conductor cause...

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  12. S.I. unit of conductance is

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  13. The resistance of a conductor depends on its

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  14. The reciprocal of conductivity is called as

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

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

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  17. S.I. unit of specific resistance is

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

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

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

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