What is the resistance of a 61.1-m-long aluminum wire that has a diameter of 7.77 mm?...
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 .
Calculate the ratio of the resistance of 12.0 m of aluminum wire 2.0 mm in diameter, to 20.0 m of copper wire 2.5 mm in diameter. Assume electrical resistivity of aluminum is 2.65×10−8 Ω⋅m and electrical resistivity of copper is 1.68×10−8 Ω⋅m. Answer in RAl/RCu =
Calculate the ratio of the resistance of 10.0 m of aluminum wire 2.4 mm in diameter, to 28.0 m of copper wire 1.7 mm in diameter. The resistivity of copper is1.68×10−8Ω⋅m and the resistivity of aluminum is 2.65×10−8Ω⋅m.
A certain laboratory experiment requires an aluminum wire of length of 34.0 m and a resistance of 2.60 Ω at 20.0°C. What diameter wire must be used? (The resistivity of aluminum at 20.0°C is 2.82 ✕ 10−8 Ω · m.) ______ mm
Constants Part A A wire 6.20 m long with diameter of 1.85 mm has a resistance of 0.0310 Ω Find the resistivity of the material of the wire. ΑΣ AMD 1.3.10- 2-m Submit Previous Answers Request Answer X Incorrect; Try Again; 5 attempts remaining
A wire 3.66 m long and 6.77 mm in diameter has a resistance of 21.7 m?. A potential difference of 17.5 V is applied between the ends. (a) What is the current in amperes in the wire? (b) What is the magnitude of the current density? (c) Calculate the resistivity of the material of which the wire is made. (a) Number Units (b) Number Units (c) Number Units A wire 3.66 m long and 6.77 mm in diameter has a...
Suppose you have a 24 m long piece of copper wire with a 2.1 mm diameter and a resistivity of 1.72 × 10-8 Ω⋅m. What is the resistance of the copper wire, in ohms?
A wire of diameter 0.750 mm and length 45.0 m has a measured resistance of 1.20 Ω. What is the resistivity of the wire?
A gold wire is 4.5 m long and 0.45 mm in diameter. What is its resistance? (The sheet from my professor.) TABLE 21-1 Resistivities Substance Insulators Quartz (fused) Rubber Glass Semiconductors Silicon* Germanium* Conductors Lead Iron Tungsten Aluminum Gold Copper Copper, annealed Silver Resistivity, p (2 m) 7.5 × 1017 1 to 100 x 1013 1 to 10,000 x 109 0.10 to 60 0.001 to 0.5 22 × 10-8 9.71 × 10-8 5.6 x 10-8 2.65 × 10-8 2.20 x...
A wire 3.07 m long and 8.24 mm in diameter has a resistance of 17.2 mΩ. A potential difference of 27.7 V is applied between the ends. (a) What is the current in amperes in the wire? (b) What is the magnitude of the current density? (c) Calculate the resistivity of the material of which the wire is made.