A certain laboratory experiment requires an aluminum wire of length of 34.0 m and a resistance...
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
Homework Answers
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A certain laboratory experiment requires an aluminum wire of
length of 34.0 m and a resistance...
1. (a) A current of 83.4 mA exists in a metal wire. How many electrons flow...
1. (a) A current of 83.4 mA exists in a metal wire. How many electrons flow past a given cross section of the wire in 10.8 min? _______ (b) If a certain silver wire has a resistance of 7.80 Ω at 19.0°C, what resistance will it have at 54.0°C? _______ (c) A certain laboratory experiment requires an aluminum wire of length of 21.0 m and a resistance of 2.10 Ω at 20.0°C. What diameter wire must be used? (The resistivity...
1. (5 points) What is the resistance of an aluminum wire of length 1 = 10.9...
1. (5 points) What is the resistance of an aluminum wire of length 1 = 10.9 m and diameter d = 1.30 mm? The resistivity of aluminum is 2.82 . 10-8 m.
Calculate the ratio of the resistance of 12.0 m of aluminum wire 2.0 mm in diameter,...
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The resistivity of aluminum is 2.82 ✕ 10−8 Ω · m. (a) Find the resistance of...
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
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1. (5 points) What is the resistance of an aluminum wire of length 1 = 10.9 m and diameter d = 1.30 mm? The resistivity of aluminum is 2.82 . 10-8 m.
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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
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