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 .

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A: We know, T=T0+1αRR0-1 where, T0 is the room temperature  α is the coefficient of resistivity R is…

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Q: a) The amount of charge that passes through a copper wire in 5.4 s is 2.37 C. Find the current in…

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Q: The resistivity of silver ρ = 1.61 x 10-8 Ω.m.  If you have a length of silver wire that is 3.15 m…

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Q: Choose true or false for each statement regarding the resistance of a wire.     The resistivity ρ is…

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Q: Resistivity of steel is larger than that of copper. If a copper wire and a steel wire are having the…

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Q: A.)For each set of measurements given in the table taken on wires of three different lengths,…

A: R = pL /A  R= resistance p = resistivity  Consider A= 1m2 crossection

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Q: b) The resistance R of a conductor depends on its shape and physical dimensions and a property of…

A: Part (i)The resistivity of a material depends on its material and the working temperature.Part…

Q: The figure below is a graph of voltage versus current / obtained when a student was studying…

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A: Given values: Resistivity, ρ=110×10-6 Ωcm Radius, r=2.5 mm2=1.25 mm Length, l=1 m

Q: vires are made of copper, but have different diameters. If the resistance of wire A is 27 Q/m and…

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Q: A cylindrical conductor has resistance of R0 = 950 Ω. It has length L, radius of the cross section…

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Q: How long is a tungsten wire if it has a diameter of 0.195 x 10-3 m and a resistance of 3.33 k2? The…

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Q: IF a alloy containing a resistivity of 1.1 × 10−6 Ωm. From a roll of wire of 2 mm diameter, a length…

A: Given Resistivity ρ = 1.1 x 10-6 ohm.m Diameter D = 2 mm = 2 x10-3 m Length L = 1.5

Q: Silver at room temperature is found to have a resistivity of 1.59×108 №∙m. If the temperature i…

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Q: Consider a thin aluminum wire with diameter d= 6 mm The resistivity of aluminum is 2.65x10-8 Q.m.…

A: Recall R=ρL/A

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Q: Determine the length (in mm) of a gold conductor that has a resistance of 0.019 Ω and a…

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