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If the area of cross section …

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If the area of cross section of a current carrying wire become twice then what will it be specific resistance?
  • 1 answers

Namrata Gupta 2 years, 11 months ago

As the length of wire gets doubled, the cross-sectional area will become half of its previous value because volume of wire remains constant. Hence, we can see that the new resistance is four times the previous resistance.
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