Physics 2213
Homework #5
Spring 2009
*** 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
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 analyze electric circuits — relate and determine electric currents and
voltages.
*
Recognize when 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 directly using the Point
Charge Superposition Principle or directly from a known electric field.
*
Use electric potential along with Conservation of Energy to relate speeds and positions of
moving charged particles.
*
Sketch graphs for electric potential and electric field as functions of position (without doing
detailed numerical calculations), and show how such graphs are related.
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 Spring '07
 PERELSTEIN,M
 Magnetism, Conservation Of Energy, Work, Heat, Electric charge, Electrical resistance, #Q26, #Q23

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