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Which of the following is mathematical e...

Which of the following is mathematical equation of Ohm's law ?

A

V = IR

B

I = GV

C

`V=I^(2)R`

D

both 'a' and 'b'

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The correct Answer is:
D
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NIKITA PUBLICATION-CURRENT ELECTRICITY-Multiple Choice Questions
  1. Ohm's law is not applicable for

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  2. In a closed circuit, the e.m.f. and internal resistance of the generat...

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  3. Which of the following is mathematical equation of Ohm's law ?

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  4. An external resistance R is connected to a cell of internal resistance...

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  5. Ohm is the S.I. unit of

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  6. The reciprocal of resistance is

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

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  8. S.I. unit of conductance is

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  9. The resistance of a conductor depends on its

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  10. The reciprocal of conductivity is called as

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

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

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  13. S.I. unit of specific resistance is

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

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

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

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  17. The example of an ohmic conductor is

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  18. The example for non- ohm ice resistance is

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

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

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