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 43SP
To determine
The resistance of a silver wire having a length of
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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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- Compute the resistance of a 190-m wire made of silver having a cross sectional area of 0.55 mm². Silver has a resistivity of 1.6 x 108 Ω. ?.arrow_forwardConductivities are often measured by comparing the resistance of a cell filled with the sample to its resistance when filled with some standard solution, such as aqueous potassium chloride. The conductivity of water is 76 mS m−1 at 25 °C and the conductivity of 0.100 mol dm−3 KCl(aq) is 1.1639 S m−1. A cell had a resistance of 33.21 Ω when filled with 0.100 mol dm−3 KCl(aq) and 300.0 Ω when filled with 0.100 mol dm−3 CH3COOH(aq). What is the molar conductivity of ethanoic (acetic) acid at that concentration and temperature?arrow_forwardA tungsten wire has a resistance of 9.00 Ω at 12.0°C. Determine its resistance (in Ω) at 412°C. The temperature coefficient of resistivity for tungsten wire is 4.50 ✕ 10−3 (°C)−1. (Assume that the temperature coefficient of resistivity was measured using the reference temperature 20°C.)arrow_forward
- A piece of wire of cross-sectional area 277.4 cm^2 is made into a resistor of resistance 539.2 ohm. Given that the resistivity of the material used to create the resistor is 79.8 ohm-metre, What is the lenght of the wire?arrow_forwardTwo wires have the same resistance and radius. If the wires are made of silver and iron with resistivities respectively of 1.59 ✕ 10−8 Ω · m and 10.0 ✕ 10−8 Ω · m, determine the ratio of their lengths. LAg LFe =arrow_forwardA certain laboratory experiment requires an aluminum wire of length of 36.0 m and a resistance of 2.70 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.) mmarrow_forward
- Two 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 silver wire has a resistance of 2.00 Ω at 34.0°C. Determine its resistance (in Ω) at 434°C. The temperature coefficient of resistivity for silver wire is 3.80 ✕ 10−3 (°C)−1. (Assume that the temperature coefficient of resistivity was measured using the reference temperature 20°C.)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
- Calculate the ratio of the resistance of 12.0 m of aluminum wire 2.1 mm in diameter, to 30.0 m of copper wire 1.8 mm in diameter. The resistivity of copper is 1.68×10−8Ω⋅m and the resistivity of aluminum is 2.65×10−8Ω⋅m.arrow_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_forwardSome states allow the use of aluminum wire in houses in place of copper. If you wanted the resistance of your aluminum wires to be the same as that of copper, calculate the ratio of the thickness of the aluminum wire to the copper wire. (ρAl = 2.82 x 10-8 Ω-m and ρCu = 1.72 x 10-8 Ω-m)arrow_forward
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