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At 20.0°C, a mainly silicon resistor has a resistance of 545 Ω, and a tungsten resistor has are sistance of 752 Ω. At this temperature, the silicon resistor has a temperature coefficient of resistivity of−0.070°C−1 and the tungsten resistor has acoefficient of 0.0050°C−1. At what temperature will their resistances be equal?

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