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The product of resistivity and conductiv...

The product of resistivity and conductivity of a cylindrical conductor depends on : 

A

temperature

B

material

C

area of cross-section

D

none of these

Text Solution

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The correct Answer is:
D
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AAKASH SERIES-CURRENT ELECTRICITY-EXERCISE - IA
  1. The temperature coefficient of resistance of conductors is

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  2. The best material for making resistances in resistance box

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  3. The product of resistivity and conductivity of a cylindrical conductor...

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  4. Wires of Nichrome and Copper of equal dimensions are connected in seri...

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  5. Resistivity of a conductor depends upon

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  6. With the increase of temperature, the specific resistance of metal

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  7. At absolute zero silver wire behaves as

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  8. Material used for heating coils is

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  9. For making standard resistance wire of following material is used

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  10. The thermistors are usually made of

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  11. For a chosen nonzero value of voltage, there can be more than one valu...

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  12. A metallic resistor is connected across a battery. If the number of co...

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  13. Choose the correct alternative

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  14. Two wires of resistance R(1) and R(2) at 0^(@)C have temperature coeff...

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  15. Arrange the following materials in the increasing order of their resis...

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  16. Specific resistance of a wire depends upon

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  17. Fuse wire is a wire of

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  18. Which of following causes production of heat, when current is set up i...

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  19. A constant voltage is applied between the two ends of a metallic wire....

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  20. According to Joule's law, if the potential difference across a conduct...

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