1. A thin wire of silver (Z=47, A = 107.87, face-centered-cubic, density = 10.49 g/cm³) is measured at 15 m long and 0.025 m in diameter and has an electrical resistance of 0.05 2. Assume that each Ag atom contributes three conduction electrons to the metal. (a) What is the concentration of conduction electrons in Ag (number/m³)? (b) What is the mean free time between collisions for the electrons in Ag (in s)? (c) What is the drift velocity of electrons if an 8 V/m electric field is applied? (d) Calculate the current density in the wire (in A/m²) from the applied electric field in part (c).
1. A thin wire of silver (Z=47, A = 107.87, face-centered-cubic, density = 10.49 g/cm³) is measured at 15 m long and 0.025 m in diameter and has an electrical resistance of 0.05 2. Assume that each Ag atom contributes three conduction electrons to the metal. (a) What is the concentration of conduction electrons in Ag (number/m³)? (b) What is the mean free time between collisions for the electrons in Ag (in s)? (c) What is the drift velocity of electrons if an 8 V/m electric field is applied? (d) Calculate the current density in the wire (in A/m²) from the applied electric field in part (c).
Chemistry: An Atoms First Approach
2nd Edition
ISBN:9781305079243
Author:Steven S. Zumdahl, Susan A. Zumdahl
Publisher:Steven S. Zumdahl, Susan A. Zumdahl
Chapter20: Transition Metals And Coordination Chemistry
Section: Chapter Questions
Problem 98IP
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Transcribed Image Text:1. A thin wire of silver (Z=47, A = 107.87, face-centered-cubic, density = 10.49 g/cm³)
is measured at 15 m long and 0.025 m in diameter and has an electrical
resistance of 0.05 2. Assume that each Ag atom contributes three conduction electrons to
the metal.
(a) What is the concentration of conduction electrons in Ag (number/m³)?
(b) What is the mean free time between collisions for the electrons in Ag (in s)?
(c) What is the drift velocity of electrons if an 8 V/m electric field is applied?
(d) Calculate the current density in the wire (in A/m²) from the applied electric
field in part (c).
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