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Resistance

How does the ...

Question

How does the resistance of a wire vary with its cross sectional area.

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Solution

It is inversely proportional to the area of cross section of the wire. The more the area of cross section of the wire,the less is the resistance and the less the area,the more is the resistance.

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Q. Question 18 (d)
Explain:
(d) How does the resistance of a wire vary with its area of cross-section?

Q. Suppose the resistance of a wire varies inversely as the area of its cross-section. Write a relation between resistance and area of cross-section

Q. If we double both the length and cross-sectional area of the wire, then its resistance will ____.

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