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Fill in the following blanks with suitable words:
Resistance is measured in.............This resistance of a wire increases as the length.................as the temperature.............and as the cross-section area.............. .

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The correct Answer is:
Ohm's; increases; increases; decreases
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LAKHMIR SINGH & MANJIT KAUR-ELECTRICITY -Exercise
  1. Which has more resistance: (a) a long piece of nichrome wire or shor...

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  2. (a) How does the resistance of a pure metal change if its temperature ...

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  3. Fill in the following blanks with suitable words: Resistance is meas...

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  4. (a) What do you understand by the ''resistivity'' of a substance? (b...

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  5. (a) Write down an expression for the resistance of a metallic wire in ...

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  6. (a) Give two examples of substances which are good conductors of elect...

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  7. Will current flow more easily through a thick wire or a thin wire of t...

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  8. How does the resistance of a conductor depend on: (a) length of the ...

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  9. (a) Give one example to show how the resistance depends on the nature ...

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  10. What would be the effect on the resistance of a metal wire of: (a) i...

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  11. How does the resistance of a wire vary with its: (a) area of cross-s...

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  12. How does the resistance of a wire change when: (i) its length is tri...

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  13. Calculate the area of cross-section of a wire if its length is 1.0 m, ...

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

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

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

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

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

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

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

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