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Resistivity of material does not depend ...

Resistivity of material does not depend on ...... of conductor

A

temperature

B

pressure

C

dimensions

D

type of material

Text Solution

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The correct Answer is:
C
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KUMAR PRAKASHAN-CURRENT ELECTRICITY-SECTION [D] MULTIPLE CHOICE QUESTIONS (MCQs) (MCQs FROM .DARPAN. BASED ON TEXTBOOK)
  1. Electric charge passing through a resistor changes with time t as Q = ...

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  2. When an electric cell is in use, .... Relation holds good.

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  3. Resistivity of material does not depend on ...... of conductor

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  4. Lengths and cross-sectional areas of three copper wires are (l, A ), (...

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  5. Which of the following curve represents negative resistance ?

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  6. ..... is Ohm 's law for good conductor

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  7. Ohmic resistance of conductor .....

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  8. SI unit of electrical conductivity is

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  9. For a block with dlmensions 1 cm xx 1 cm xx 100 cm havng resistivity...

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  10. Specific resistance of material of one wire is rho. Its volume is 3 m^...

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  11. Which is the dimensional formula for conductance from the given below ...

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  12. The physical quantity having the dimentiom, M^(-1) L^(-3) T^(3) A^(2) ...

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  13. SI unit of electrical conductivity is

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  14. Resistance of wire having diameter 2 mm and length 100 cm is 0.7 Omega...

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  15. Resistance of wire having radius r is R. If new wire of radius 2r, is ...

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  16. On applying an electric field of 15 xx 10^(-6) vm^(-1) across a cond...

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  17. The ratio of length of two wires of same mass arc made up of same mate...

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  18. Resistance of a wire is ROmega. It is stretched uniformly till Its len...

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  19. J = sigma E represents ........ .

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  20. On increasing the temperature of a conductor the product of its resist...

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