a. Suppose a cylindrical wire is 1.00 meters #4 Resistance and Ohm's Law in length with a radius of 0.100 millimeters. If the wire is composed of an alloy of uniform composition with a resistivity of 2.15 x 10-7 2. m, what is the resistance of the wire? b. Suppose three identical wires as described in part (a) Are connected in series. What is the equivalent resistance of this series combination? Suppose a potential difference of 9.00 V is placed across this combination of wires. What current flows through the three wire that have been joined in series? How much power in Watts is dissipated in total in the three wires? c. Suppose three identical wires, again as described in part (a), are connected in parallel. What is the equivalent resistance of this parallel configuration? Again, a 9.00 V potential difference is placed across the combination of wires connected in parallel. How much current flows through each of the three identical wires, and how much current flows through the configuration as a whole? How much power, in total is dissipated in the three wires?

a. Suppose a cylindrical wire is 1.00 meters #4 Resistance and Ohm's Law in length with a radius of 0.100 millimeters. If the wire is composed of an alloy of uniform composition with a resistivity of 2.15 x 10-7 2. m, what is the resistance of the wire? b. Suppose three identical wires as described in part (a) Are connected in series. What is the equivalent resistance of this series combination? Suppose a potential difference of 9.00 V is placed across this combination of wires. What current flows through the three wire that have been joined in series? How much power in Watts is dissipated in total in the three wires? c. Suppose three identical wires, again as described in part (a), are connected in parallel. What is the equivalent resistance of this parallel configuration? Again, a 9.00 V potential difference is placed across the combination of wires connected in parallel. How much current flows through each of the three identical wires, and how much current flows through the configuration as a whole? How much power, in total is dissipated in the three wires?

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Question

a. Suppose a cylindrical wire is 1.00 meters
#4 Resistance and Ohm's Law
in length with a radius of 0.100 millimeters. If the wire is composed of an alloy of uniform
composition with a resistivity of 2.15 x 10-7 2. m, what is the resistance of the wire?
b. Suppose three identical wires as described in part (a) Are connected in series. What
is the equivalent resistance of this series combination? Suppose a potential difference of 9.00
V is placed across this combination of wires. What current flows through the three wire
that have been joined in series? How much power in Watts is dissipated in total in the three
wires?
c. Suppose three identical wires, again as described in part (a), are connected in parallel.
What is the equivalent resistance of this parallel configuration? Again, a 9.00 V potential
difference is placed across the combination of wires connected in parallel. How much current
flows through each of the three identical wires, and how much current flows through the
configuration as a whole? How much power, in total is dissipated in the three wires?

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