
1. (5 points) What is the resistance of an aluminum wire of length 1 = 10.9...
1 130 ) What is the resistance of an aluminum wire of length 1-10.9 m and diameter da The festivity of aluminum is 2.82 - 10-8 m
3.14 160 7. What is the resistance of a copper wire of length/= 10.9 m and diameter d= 1.30 mm? The resistivity of copper is 1.72 10-8Qm. o One brand of 12.0.Vautomotive battery used to be advertised as providing "600 cold-cranking amps."
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
A certain laboratory experiment requires an aluminum wire of length of 24.0 m and a resistance of 3.20 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.) IN mm
A certain laboratory experiment requires an aluminum wire of length of 28.0 m and a resistance of 3.60 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
Calculate the ratio of the resistance of 11.0 m of aluminum wire 2.5 mm in diameter, to 23.0 m of copper wire 1.9 mm in diameter. The resistivity of copper is 1.68×10−8Ω⋅m and the resistivity of aluminum is 2.65×10−8Ω⋅m. --------------------- A length of aluminum wire is connected to a precision 10.00-Vpower supply, and a current of 0.4132 A is precisely measured at 23.5 ∘C. The wire is placed in a new environment of unknown temperature where the measured current is...
What is the resistance of a 61.1-m-long aluminum wire that has a diameter of 7.77 mm? The resistivity of aluminum is 2.83x 10-8 Ω . m. resistance:
The resistivity of aluminum is 2.82 ✕ 10−8 Ω · m. (a) Find the resistance of an aluminum wire (in ohms) with a radius of 1.33 mm and a length of 1.28 m. Ω (b) Calculate the volume (in m3) of aluminum in the wire. m3 (c) Suppose that volume of aluminum is formed into a new wire with a length of 2.62 m. Find the new resistance of the wire (in ohms). Ω
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 =