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15 June, 13:06

Determine at what temperature aluminum will have the same resistivity as tungsten does at 24 ∘

c.

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  1. 15 June, 16:22
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    The resistivity of tungsten can be determined using the empirical equation

    Rw = 48.0 (1 + 4.8297 * 10^-3 T + 1.663 * 10^-6 (T^ 2))

    Input the temperature to get the resistivity

    For aluminum, you can look for the empirical equation for its resistivity but what is available is a graph between resistivity and temperature. Simply use the graph to determine which temperature will result to the same resistivity of tungsten at 24 C.
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