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Wire is classified according to its diameter using the American Wire Gauge (AWG) scale. AWG 19...
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Science P5.35 Electric wire, like that in the photo, is a cylindrical conductor covered by an insulat- ing material. The resistance of a piece of wire is given by the formula where p is the resistivity of the conductor, and L, A, and d are the length, cross- sectional area, and diameter of the wire. The resistivity of copper is 1.678 × 10-8 Ω m. The wire diameter, d, is commonly specified by the...
The diameter of Twelve Gauge copper wire is 2.052 mm. Calculate the resistance (in 2) of 4.52 km length of such wire used for power transmission. The resistivity of copper is 1.68 x 10-8 Am. Ω
The diameter of Four Gauge copper wire is 5.189 mm. Calculate the resistance (in Q) of 7.54 km length of such wire used for power transmission. The resistivity of copper is 1.68 x 10-9 Om.
Now let’s see how temperature affects the resistance of copper wire. A length of 18 gauge copper wire with a diameter of 1.02 mm and a cross-sectional area of 8.20×10−7 m2 has a resistance of 1.02 Ω at a temperature of 20 ∘C. Find the resistance at 0 ∘C and at 100 ∘C. The temperature coefficient of resistivity of copper is 0.0039 (C∘)−1. On a hot summer day in Death Valley, the resistance is 1.15 Ω. What is the temperature?
The diameter of 0–gauge copper wire is 8.252 mm. Find the resistance of a 5.00–km length of such wire used for power transmission. Use 1.719e-08 as the resistivity for Cu
A galvanometer of resistance 100 Ω gives full-scale deflection when its current is 1.0 mA. It is used to construct an ammeter whose full-scale reading is 100 A. If the shunt resistor consists of a piece of 10-gauge copper wire (diameter 2.59 mm), what should its length be
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Problem: Electric wire (Figure is a cylindrical conductor covered by an insulating material. Figure 2 shows the structure ofa single conductor. The resistance of a piece ofwire is given by the formula: A d where ρ is the resistivity of the conductor, and I (in meter), A, and d (in meter) are the length, cross-sectional area, and diameter of the wire. The wire diameter, d, is commonly specified by the American Wire Gauge (AWG). Which...
Electrical AWG 20 copper wire has a cross section diameter of 0.803 mm. Find the linear mass density of the wire (the mass per unit of length), the copper volume mass density is 8.96 g/cm3. The linear mass density of the wire, λ = Unit in g/cm What is the mass of a 7‑m segment of AWG 20 wire? The mass of the segment, m = Unit in g A wire spool is marked to have 18 kg of AWG 20...
Electrical AWG 24 copper wire has a cross section diameter of 0.508 mm. Find the linear mass density of the wire (the mass per unit of length), the copper volume mass density is 8.96 g/cm? The linear mass density of the wire, 1 - Units Select an answer What is the mass of a 6-m segment of AWG 24 wire? The mass of the segment, m Units Select an answer A wire spool is marked to have 13 kg of...
Calculate the ratio of the resistance of 12.0 m of aluminum wire 2.4 mm in diameter, to 26.0 m of copper wire 1.8 mm in diameter. The resistivity of copper is 1.68× 10 −8 Ω⋅m and the resistivity of aluminum is 2.65× 10 −8 Ω⋅m .