A 30.0 m long extension cord is made from two #19 gauge copper wires. (a) What is the resistance of the wire at 20 degrees Celsius ? The diameter of the copper wire is 0.912 mm.

Q: Two conductors are made of the same material and have the same length. Con- ductor A is a solid wire…

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Q: Suppose you wish to fabricate a uniform wire from 1.85 g of copper. The wire is to have a resistance…

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Q: Suppose you wish to fabricate a uniform wire from 2.30 g of copper. The wire is to have a resistance…

A: Mass of copper is Resistance is Note:Resistivity of copper is Density of copper is Find:(a) The…

Q: Two platinum wires (E & F) are found in a closet. Wire E has a resistance of RE. Wire F is 3 times…

A: The resistance of the wire E is .Wire F is 3 times shorter than wire E.The cross-sectional area of…

Q: A common flashlight bulb is rated at 0.24 A and 2.2 V (the values of the current and voltage under…

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Q: The resistance of a 10 meters length of wire is 1.2 kΩ. Determine (a) the resistance of a 5 meters…

A: length = l1 = 10 m resistance = R1= 1.2 kΩ

Q: Suppose you wish to fabricate a uniform wire out of 1.35 g of copper. If the wire is to have a…

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Q: A tungsten wire is 28m long and is used in a toaster at 120V. The resistivity of this material is…

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Q: Two conductors are made of the same material and have the same length. Conductor A is a solid wire…

A: RA=pLπrA2RB=pLπr22-r12

Q: As part of a class project you are given 0.900 g of copper and asked to fabricate a wire with…

A: total mass of copper= 0.9 g

Q: vires are made of copper, but have different diameters. If the resistance of wire A is 27 Q/m and…

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Q: a) Determine the length (in mm) of a gold conductor that has a resistance of 0.018 Ω and a…

A: Given data:  Resistance (R) = 0.018 Ω Cross-sectional area (A) = 3.4 × 10-9 m2 Resistivity of gold…

Q: An iron wire has a diameter 1.6 mm and resistivity 9.71x 10-8 m. What will be the length of this…

A: Given that-diameter, d= 1.6 mmradius, r= 0.8 mmCross-sectional area, A=πr2=π×0.82 mm2= 2.0096×10-6…

Q: Suppose you wish to fabricate a uniform wire out of 1.45 g of copper. If the wire is to have a…

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Q: Two metallic wires made from copper have same length but the radius of wire 1 is half of that of…

A: Radius of wire 1 is half the radius of wire 2 Let the radius of wire 1 be 'r', then the radius of…

Q: An electrician plans to cut a copper wire with more than 10Ω resistance (p=1.724*10-8m). The radius…

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Q: As part of a class project you are given 0.900 g of copper and asked to fabricate a wire with…

A: Mass of copper (m) = 0.9 g Density of copper (D) = 8920 kgm3Resistivity of copper (ρ) = 1.72×10-8…

Q: Suppose you wish to fabricate a uniform wire out of 1.50 g of copper. If the wire is to have a…

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Q: Suppose you wish to fabricate a uniform wire from 1.10 g of copper. The wire is to have a resistance…

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Q: (a) The cylinders A-D shown below are all made from copper. Rank them in order of increasing…

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Q: Suppose you wish to fabricate a uniform wire from 1.30 g of copper. The wire is to have a resistance…

A: The expression for the area of the wire,

Q: When aluminum is used for electrical wire, it is common to use a large-diameter wire than would be…

A: The resistivity of aluminum ρA=2.65×10-8Ωm The resistivity of copper ρC=1.68×10-8Ωm The cross…

Q: Suppose you wish to fabricate a uniform wire from 1.20 g of copper. The wire is to have a resistance…

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Q: An aluminum rod with a square cross-section is 2.6 m long and 5.3 mm on edge. (a) What is the…

A: Given data: Length of aluminum rod is, La=2.6 m. Edge length of aluminum rod is, a=5.3 mm=5.3×10-3…

Q: At 25°C, the resistance of a segment of gold wire is 59 N. When the wire is placed in a liquid bath,…

A: Given, At (T1)= 25°C  resistance of wire is (R1)= 59 ohm. When wire placed in liquid bath( having…

Q: Suppose you wish to fabricate a uniform wire out of 1.20 g of copper. If the wire is to have a…

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Q: Gold is the most ductile of all metals. For example, one gram of gold can be drawn into a wire 2.40…

A: mass = volume x density

Q: A copper transmission line is to be replaced by one of aluminum having the same total resistance. If…

A: Given data: Let the length of each wire is L. Resistivity of copper wire, ρcu=1.68×10-8 Ω-m.…