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Specific resistance of a wire depends on...

Specific resistance of a wire depends on its

A

length of the wire

B

area of cross–section of the wire

C

resistance of the wire

D

material of the wire

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The correct Answer is:
D
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MOTION-CURRENT ELECTRICITY-EXERCISE -1 (OBJECTIVE PROBLEMS NEET)
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  2. A wire has non-uniform cross-section as shown in fig. steady current f...

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  8. When the resistance of copper wire is 0.1 Omega and the radius is 1mm,...

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  9. When a resistance wire is passed through a die the cross-section area ...

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  10. In the following diagram two parallelopiped A and B are of the same th...

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  11. A conductor with rectangular cross section has dimensions (axx2axx4a) ...

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  12. A piece of copper and another of germanium are cooled from room temper...

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  13. A cylindrical copper rod is reformed to twice its original length with...

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  14. The length of a conductor is halved. Its conductance will be

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  15. The current in a metallic conductor is plotted against voltage at two ...

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  16. Net resitance between X and Y is –

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  17. Net resitance between X and Y is –

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  18. Net resitance between X and Y is –

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  19. The equivalent resistance between the terminal point P and Q is 4 Omeg...

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  20. At a point sum i=0 in a circuit with one emf source, then –

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