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Set of three resistance boards to investigate wire resistance in a variety of experiments: EQUAL LENGTH WIRE OF SAME MATERIAL & DIFFERENT DIAMETERS (EM1088018), MIXED MATERIALS - EQUAL LENGTH & SAME DIAMETER (EM1088019) and RESISTANCE BOARD - 3 WIRES WITH DIFFERENT DIAMETERS AND LENGTHS (AR3835/185).
NOTE: Board material may differ from illustration.