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1. Put these substances in order of resistivity high to low Substance Resistivity (m) Sea water 2101 Tungsten 5.6108 Constantan 4.9107 Lead 2.2107 Stainless steel

1. Put these substances in order of resistivity high to low Substance Resistivity (m) Sea water 2101 Tungsten 5.6108 Constantan 4.9107 Lead 2.2107 Stainless steel 6.9107 Wood (oven dry) 11014 2. Calculate the resistivity of the given material whose resistance is 4; area of cross-section and length are 50cm2 and 30cm respectively

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