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 45SP
To determine
The resistivity of aluminum wire at 100 °C.
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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 resistor in the shape of a spherical shell is made up of a material with resistivity of 1.93 × 10-8 Ω • m has inner and outer radii of 1.5 mm and 3.7 mm, respectively. Determine the resistance of the said resistor.arrow_forwardAt what temperature will aluminum have a resistivity that is three times the resistivity of copper at room temperature?arrow_forwardA conductor has a diameter of 2.59 mm. How many meters of this material are needed to yield a resistance of1Ω. The resistivity of the conductor is 1.77x10−8Ω.?.arrow_forward
- What is the resistance of a silver wire 15 m long at 20 degrees Celsius and whose diameter is 0.00085m? The resistivity (rho) of silver at 20 degrees Celsius is 1.6 x 10-8m . (A = π r²)arrow_forwardWhen 100.0 V is applied across a 5-gauge (diameter 4.621 mm) wire that is 10 m long, the magnitude of the current density is 2.0 × 108 A/m2 . What is the resistivity of the wire?arrow_forwardA resistor in the shape of a spherical shell is made up of a material with resistivity of 1.93 × 10-8 Ω • m has inner and outer radii of 1.5 mm and 3.7 mm, respectively. Determine the resistance of the resistor.arrow_forward
- At what temperature will aluminum have a resistivity that is two times the resistivity of copper at room temperature? (Assume room temperature is 20° C.)arrow_forwardA tungsten wire has a radius of 0.097 mm and is heated from 20.0 to 1383 oC. The temperature coefficient of resistivity is α = 4.5 x 10-3 (Co)-1. When 120 V is applied across the ends of the hot wire, a current of 1.8 A is produced. How long is the wire? Neglect any effects due to thermal expansion of the wire.arrow_forwardAn aluminum wire has a length of 1.50 m and a cross sectional area of 0.480 mm2. If the resistivity of aluminum is 2.82 ✕ 10−8 Ω · m and a potential difference of 0.900 V is maintained across its length, determine the current in the wire (in A).arrow_forward
- The resistance of a copper conductor is 0.8 Ω at a temperature of 20 ˚C. It is placed in a heating furnace and it is observed that the resistance increases by 50%. What is the oven temperature? The resistivity of copper is 1.678×10-8 Ωm and the temperature coefficient of resistivity is 6.8×10-3 K-1arrow_forwardA gold resistance thermometer has a resistance Ro = 70.0Ω at To = 20°C. The temperature coefficient of resistance is 3.4x10-3°C. The thermometer is immersed in a container with melting tin, at which point R increases to 112.5Ω. What is the melting point of tin?arrow_forwardWhen 115 V is applied across a wire that is 10 m long and has a 0.30 mm radius, the magnitude of the current density is 1.4 * 10^8A/m2. Find the resistivity of the wire.arrow_forward
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