The area of cross section of wire becomes half with change in volume.The new resistance of wire becomes?
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Resistance is directly proportional to area and inversely proportional to length. Hence if we increase resistance we get increased area and decreased length and vice - versa. Also Resistivity wont change if the length and area is changed. It remains constant for all values for a given material.
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Explanation:
Resistance is directly proportional to area and inversely proportional to length. Hence if we increase resistance we get increased area and decreased length and vice - versa. Also Resistivity wont change if the length and area is changed. It remains constant for all values for a given material.
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