How does the resistance of a wire change when its thickness is doubled?
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resistance is inversely proportional to the area and area is directly proportional to square of radius.
so the resistance is inversely proportional to the square of the radius of wire.
so when thickness is doubled, the resistance Will be 1/4times.
so the resistance is inversely proportional to the square of the radius of wire.
so when thickness is doubled, the resistance Will be 1/4times.
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