Schaum's Outline of College Physics, Twelfth Edition (Schaum's Outlines)
12th Edition
ISBN: 9781259587399
Author: Eugene Hecht
Publisher: McGraw-Hill Education
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Chapter 26, Problem 47SP
To determine
The length of an aluminum of diameter
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What is the resistance of a wire with a length of 43.4 m and a radius of 2.8 mm, made from a metal with resistivity 6.0 x 10-8 ohm*m? Three significant figures.
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Chapter 26 Solutions
Schaum's Outline of College Physics, Twelfth Edition (Schaum's Outlines)
Ch. 26 - Prob. 20SPCh. 26 - 21. An electron gun in a TV set shoots out a beam...Ch. 26 - 22. What happens to the resistance of a copper...Ch. 26 - Prob. 23SPCh. 26 - Prob. 24SPCh. 26 - 25. What is the current through an 8.0-Ω toaster...Ch. 26 - 26. What potential difference is required to pass...Ch. 26 - 27. Determine the potential difference between the...Ch. 26 - Prob. 28SPCh. 26 - Prob. 29SP
Ch. 26 - 30. An electric utility company runs two 100 m...Ch. 26 - 31. When the insulation resistance between a motor...Ch. 26 - Prob. 32SPCh. 26 - Prob. 33SPCh. 26 - Prob. 34SPCh. 26 - Prob. 35SPCh. 26 - Prob. 36SPCh. 26 - Prob. 37SPCh. 26 - Prob. 38SPCh. 26 - 39. Find the potential difference between points-A...Ch. 26 - Prob. 40SPCh. 26 - 41. In Fig. 26-5, how large must R be if the...Ch. 26 - 26.42 [II] For the circuit of Fig. 26-6, find the...Ch. 26 - Prob. 43SPCh. 26 - Prob. 44SPCh. 26 - Prob. 45SPCh. 26 - Prob. 46SPCh. 26 - Prob. 47SPCh. 26 - Prob. 48SPCh. 26 - Prob. 49SP
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- A gold wire has a length of 23.0 m and a resistance of 4.70 Ω at 20.0°C. Assuming a circular cross-section, what is the wire's diameter (in mm)? The resistivity of gold at 20.0°C is 2.44 ✕ 10−8 Ω · marrow_forwardThe resistivity of copper ρ = 1.69 x 10-8 Ω.m. What length of copper in a cylinder of diameter of 523 μm would be required to give you a resistance of 10.0 Ω?arrow_forwardTwo wires have the same resistance and diameter. If the wires are made of silver and copper with resistivities respectively of 1.59 ✕ 10−8 Ω · m and 1.70 ✕ 10−8 Ω · m, determine the ratio of their lengths.arrow_forward
- What is the resistance (in units of 0) of a wire made of a material with a resistivity of 3.2 x 10-8 0. m, if its length is 65.2 m and its diameter is 0.50 mm?arrow_forwardAn extension cord has a resistivity of p = 7.5 x 10-8 Ω.m. The cord is made from copper wire with a diameter D = 0.45 cm and it is L = 9.9 m long. (a) What is the resistance in ohms? R = (b) If a current of I= 2.95 A passes through the wire what voltage is the cord connected to, in volts? V=arrow_forwardThe wire in a water heater is an alloy composed of nickel, chromium, and copper and has a resistivity of 9.60×10-7 Ω-m. Determine the resistance of the wire if its length is 8.81 m and its diameter is 0.0012 m.arrow_forward
- An electrician wishes to cut a copper wire (ρ=1.72×10-8 Ωm) that has 10Ω of resistance. The wire has a radius of 0.625mm. Approximately what length of wire has a resistance equal to the maximum 10Ω ? The length of the copper wire having a resistance of 10Ω is =arrow_forwardTwo wires have the same resistance and radius. If the wires are made of iron and gold with resistivities respectively of 10.0 ✕ 10−8 Ω · m and 2.44 ✕ 10−8 Ω · m, determine the ratio of their lengths. LFe LAu = ?arrow_forwardA 10-gauge copper wire (diameter = 2.588 mm, ρ = 1.7 × 10–8 Ω · m) has a total resistance of 0.32 Ω. How long is the wire? A wire 10 m long with a diameter of 1.0 mm has a resistance of 5.0 Ω. What is the resistance of a second wire made of the same material, but 3.0 m long with a diameter of 4.0 mm? Please provide formula used and steps in orderarrow_forward
- A conductor having a resistance of 50 ohms has temperature coefficient of resistivity of 4.143x10^-3 (scientific notation of milli x10^-3) per degree Celsius at 40 degree Celsius. What is its resistance when the temperature drops to 20 degrees Celsius?arrow_forwardGold is the most ductile of all metals. For example, one gram of gold can be drawn into a wire 2.38 km long. The density of gold is 19.3 ✕ 103 kg/m3, and its resistivity is 2.44 ✕ 10−8 Ω · m. What is the resistance of such a wire at 20.0°C?MΩarrow_forwardCopper wiring in a house usually has a diameter of approximately 1.5mm. What length of copper wire would have a resistance of 1.0 Ω? Where p = 1.72 x 10^-8 Ωmarrow_forward
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