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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Find the electric field and the resistivity of a 400cm long wire having a diameter of 0.4cm and
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Calculate the resistivity of a material of a wire 10 m long. 0.4 mm in diameter and having a resistance of 2.0 Q.
Determine the overall resistance of a 100-meter length of 14 AWA (0.163 cm diameter) wire made of the following materials.1. copper (resistivity = 1.67x10-8 Ω•m)2. silver (resistivity = 1.59x10-8 Ω•m)
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 rectangular block of copper having dimensions 63.5 cm x 63.5 cm x 92 cm. If the resistivity of copper is 17.2 n ohms m. Determine its resistancearrow_forwardA conductor is 6.00 cm long. If the material has a conductivity of 2.00 x 10^-2 Ω•m, then what must its diameter be in centimeters in order to yield a resistance of 3.00 ohms? A. 2.652758334 centimeters B. 2.256758334 centimeters C. 2.726558334 centimeters D. 2.526758334 centimetersarrow_forward. Determine the overall resistance of a 100-meter length of 14 AWA (0.163 cm diameter) wire made of the following materials.1. aluminum (resistivity = 2.65x10-8 Ω•m)2. iron (resistivity = 9.71x10-8 Ω•m)arrow_forward
- Compute the total resistancearrow_forwardA material of resistivity 370,000 Ohms*m is shaped into a hollow cylindrical shell of length 3 cm, inner radius 0.51 cm and outer radius 1.02 cm. A potential difference is applied across the ends of the cylinder. Find the resistance of the cylinder.arrow_forwardCompute the resistance of a conductor with a resistivity of 41.0 Ω•m, a length of 7.00 m, and a cross-sectional area of 1.85 x 10-2 m2arrow_forward
- A conductor of uniform radius 1.16 cm carries a current of 2.70 A produced by an electric field of 119 V/m. What is the resistivity of the material?arrow_forwardCompute the current, in amperes, at t = 6.79 ms passing through a point given that the charge in the point is given as q(t) = 3.17 e-2t cos( 2.88 t) in coulombs.arrow_forwardGiven the temperature coefficient of resistivity of a certain wire to be 2 x10−3 (°C)−1.By what factor is the resistance of this wire changed when its temperature is increased from 20.0°C to 96.52 °C?arrow_forward
- A gold wire carries 22 A of current with a drift velocity of 4.3 × 10-3 m/s. Assume there is one free electron per gold atom, and the density of gold is 1.93 × 104 kg/m3. The molecular weight of gold is 196.97 g/mol. Part (b) For the problem above, calculate the resistance of the wire under those conditions. Assume the wire is 3.7 m in length, and the resistivity of gold is 2.44 × 10-8 Ω⋅m. R = Ωarrow_forward224.)An electrician experienced a mild electric shock when he accidentally touched a wire carrying 5.0 mA for approximately 2.0 s. How many electrons constitute the given current? 6.2 x 1016 e 10 000 e 10 e 3.1 x 1016 earrow_forwardthree resistors of resistance 6.00 omega, 8.00 omega, and 12.00 omega, ae connected in parallel. the equivalent resistance of the combination isarrow_forward
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