How will you test the electrical conductivity of a given material?
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The electrical conductivity can be calculated measuring the resistance, area and length of the test material. The test material typically has a box-like shape for ease of measuring. Use a four-terminal ohmmeter for greater accuracy.
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Explanation:
Calculate the electrical conductivity from the resistance, length and area of the current. The resistivity is given as p = RA/l where p is the resistivity, R is the resistance, A is the area and l is the length. The conductivity is s = 1/p where s is the conductivity.
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