How much longer is the wire on a summer day

Reference no: EM1382997

Q. A copper telephone wire has essentially no sag between poles 34.00 m apart on a winter day when the temperature is -20°C. How much longer is the wire on a summer day when TC = 36°C? Suppose that the thermal coefficient of copper is constant throughout this range at its room temperature value.

Reference no: EM1382997

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