A wire of resistance 2 ohm is stretched to double it's length such that it's volume remains constant.What is the resistance of the stretched wire?
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Explanation:
The resistance of a uniform wire is directly proportional to its length and inversely proportional to its cross-sectional area. Here, R is theresistance of the wire in ohms, l is thelength of the wire in meters, and A is the cross-sectional area of the wire in .
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