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The resistance of a wire of length 330m ...

The resistance of a wire of length 330m and cross-section area `1.0 mm^(2)` made of material of resistivity `1.0 xx 10^(-7) Omegam` is:

A

`2Omega`

B

`3Omega`

C

`20Omega`

D

`3 Omega`

Text Solution

Verified by Experts

The correct Answer is:
D
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LAKHMIR SINGH & MANJIT KAUR-ELECTRICITY -Exercise
  1. Calculate the area of cross-section of a wire if its length is 1.0 m, ...

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  2. (a) Define resistivity. Write an expression for the resistivity of a s...

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  3. The resistance of a wire of length 330m and cross-section area 1.0 mm^...

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  4. When the diameter of a wire is doubled, its resistance becomes:

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  5. If the resistance of a certain copper wire is 1Omega, then the resista...

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  6. If the diameter of a resistance wire is halved, then its resistance be...

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  7. The resistivity of a certain material is 0.6 Omegam. The material is m...

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  8. When the area of cross-section of a conductor is doubled, its resistan...

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  9. The resistivity of copper metal depends on only one of the following f...

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  10. If the area of cross-section of a resistance wire is halved, then its ...

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  11. A piece of wire of resistance 20 Omega is drawn so that its length is ...

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  12. The electrical resistivities of three materials P,Q and R are given be...

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  13. The electrical resistivities of four materials A,B,C and D are given b...

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  14. The electrical resistivities of five substances A,B,C,D and E are give...

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  15. SERIES COMBINATION

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  16. If five resistances, each of value 0.2 ohm, are connected in series, w...

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  17. State Ohm's law. Derive an expression for the equivalent resistance of...

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  18. If 3 resistances of 3 ohm each are connected in parallel, what will be...

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  19. How should the two resistances of 2 ohms each be connected so as to pr...

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  20. Two resistances X and Y are connected turn by turn: (i) in parallel, a...

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