A cylindrical wire has a radius r and length I. If both r and I are doubled, what happens to the resistance of the wire?
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Q: esistance depends on the size and shape of a conductor. We expect a long wire to have higher…
A: Given: ρ=12.08*10-8 Ωl = 14.22 mr = 1.33 m
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Q: Resistance
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- A copper wire has a resistance of 15 Ω at some temperature. An aluminum wire has 3 times the length and 5 times the radius of the copper wire. The resistivity of copper is 0.7 times that of aluminum. What is the resistance, in Ω, of the aluminum wire at the same temperature? Round your answer to 0 decimal places.Wires 1 and 2 are made of the same metal. Wire 2 has same length but twice the diameter of wire 1. What is the ratio R1/R2 of the resistances of the two wires? O 1/4 4 ○ 1/2 ○ 2 ○ 1A wire of radius R and Length L has a resitance of 14. What is the resistance of a wire made from the same material that has twice the radius and five times the length
- Suppose you wish to fabricate a uniform wire out of 1.25 g of copper. If the wire is to have a resistance R = 0.760 2, and if all the copper is to be used, find the following. (a) What will be the length of the wire? m (b). What will be the diameter of the wire? Enter a number. differs significantly from the correct answer. Rework your solution from the beginning and check each step carefully. mm Need Help? Read It Watch it Submit AnswerSuppose you wish to fabricate a uniform wire from 1.60 g of copper. The wire is to have a resistance of R = 0.800 2 and all the copper is to be used. (a) What must be the length of this wire? m (b) What must be the diameter of this wire? μma piece of copper wire with a radius of 6 cm has a resistance of 50 ohm. the wire is cylindrical. If we want to decrease the resistance to 10 ohms by only changing the radius while keeping the rest of the parameters the same. What will the new radius be?
- Suppose you wish to fabricate a uniform wire out of 1.20 g of copper. If the wire is to have a resistance R = 0.690 Ω, and if all the copper is to be used, find the following. (a) What will be the length of the wire?m(b) What will be the diameter of the wire?mmWire B has twice the length and twice the radius of wire A. Both wires are made from the same material. If wire A has a resistance R, what is the resistance of wire B?Wires 1 and 2 are made of the same material. Wire 2 has 1/3 the length and 1/3 the diameter of wire 1. What are the ratios R₂/R₁ of the resistances of the wires? A) R₂/R₁ = 9 B R₂/R₁ = 3 C) R₂/R₁ = 1/3 D R₂/R₁ = 1/9 E None of the other answers is correct