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To investigate the relation between electric resistance and conductor section, length and material. To investigate the relation between electric resistance and conductor section, length and material. 6 wires are tensed next to each other on a metal base and connected on both ends with 4 mm sockets. Length of wires 1 m dimensions 1065 x 90 mmMaterial Dia. mmConstantan 1Constantan 0.5Constantan 0.7Copper 0.7Copper 0.35