2. An electric circuit has a battery with an EMF of 1.50 V. Its positive terminal is connected to its negative terminal by a copper wire in a circular loop having a radius of 0.500 m. Solve for the drift velocity in the wire if there is one free electron per copper atom. Detailed assumptions: - The size of the cell is negligible compared to the length of the circuit. - Copper resistivity: p = 1.80x10-ºN – m - Copper density: D = 8.96x10³ kg – m-3 - Copper relative atomic mass: m, = 63.5 g/mol
2. An electric circuit has a battery with an EMF of 1.50 V. Its positive terminal is connected to its negative terminal by a copper wire in a circular loop having a radius of 0.500 m. Solve for the drift velocity in the wire if there is one free electron per copper atom. Detailed assumptions: - The size of the cell is negligible compared to the length of the circuit. - Copper resistivity: p = 1.80x10-ºN – m - Copper density: D = 8.96x10³ kg – m-3 - Copper relative atomic mass: m, = 63.5 g/mol
College Physics
1st Edition
ISBN:9781938168000
Author:Paul Peter Urone, Roger Hinrichs
Publisher:Paul Peter Urone, Roger Hinrichs
Chapter20: Electric Current, Resistance, And Ohm's Law
Section: Chapter Questions
Problem 3CQ: If two different wires having identical cross-sectional areas carry the same current, will the drift...
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Transcribed Image Text:2. An electric circuit has a battery with an EMF of 1.50 V. Its positive terminal is connected to its negative
terminal by a copper wire in a circular loop having a radius of 0.500 m. Solve for the drift velocity in the wire
if there is one free electron per copper atom.
Detailed assumptions:
- The size of the cell is negligible compared to the length of the circuit.
- Copper resistivity: p = 1.80x10-ºN – m
- Copper density: D = 8.96x10³ kg – m-3
- Copper relative atomic mass: m, = 63.5 g/mol
%3D
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