At what temperature will silver have a resistivity that is four times the resistivity of copper at room temperature? ________°C
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At what temperature will silver have a resistivity that is four times the resistivity of copper at room temperature?
________°C
It is asked to find at what temperature silver have a resistivity that is four times the resistivity of copper at room temperature.
resistivity of copper at room temperature is
resistivity of silver at room temperature is
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- To what value would you have to raise the temperature of a copper wire (originally at 20 °C) to increase its resistance by 18 % ? Assume the temperature coefficient of resistivity of copper is 0.0039 (°C) 1. Express your answer using two significant figures. ? Tinal = °C Submit Request AnswerProblem 3: A 1.2 g wire has a density of 2.7 g/cm3 and a resistivity of 2.7 × 10−8 Ωm. The wire has a resistance of 15 Ω. a) How long is the wire? b) The wire is made up of atoms with valence 1 and molar mass 26.98 g/mol. What is the drift speed of the electrons when there is a voltage drop of 30 V across the wire?Answer #2
- determine the current in the wire. (Use the values in the following table.) If the wire is heated to 34.0°C while the 7.00-V potential difference is maintained, what is the resulting current in the wire?The resistance R of a conductor depends on its shape and physical dimensions and a property of the material called the resistivity p What does the resistivity of a material depend upon? Assuming that the resistivity of copper is a quarter of that of aluminium and that the density of copper is three times that of aluminimium, find the ratio of the masses of copper and aluminium wires with the same length and the same resistance but with different cross - sectional areas .Subject: phy