Physics 2213
Homework #5
Spring 2010
*** This assignment will be covered on Prelim Exam #1. ***
Read:
Chapter 23, all (section 23.5 for conceptual content);
Chapter 26, sections 26.2 and 26.5
Basic Ideas:
Electric Current, Voltage, Resistance
Electric Potential Energy, Potential, Work, Power
Resistors in Series and Parallel
Kirchhoff's Circuit Rules
Conservation of Energy & Electric Charge
Math Skills:
Algebra, Topology ("Connectedness")
Conservative Vector Fields & Potentials
Potential Gradient
Learning Goals:
(Be sure you understand where and how each goal in each assignment applies to our
homework, discussion, lecture, and lab activities.)
*
Use Kirchhoff's Rules to relate and determine electric currents and voltages in circuits.
*
Recognize whether it is possible or not possible to reduce networks of electrical resistances to
simpler equivalent forms using series and parallel resistance combinations.
Do this reduction
where possible and useful.
*
Determine properties of electric circuits (V, I, R, or P), and predict how those properties will
change when components or connections are changed.
*
Calculate electric potential as a function of position in space, either using the PointCharge
Superposition Principle or from a known electric field.
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 Spring '07
 PERELSTEIN,M
 Current, Electric Potential, Magnetism, Resistance, Energy, Potential Energy, Work, Heat, Electric charge, GENERAL SKILL, Kirchhoff., parallel resistance combinations

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