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PHY 182, Spring, 2005
Week 8
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Main Objectives:
- Be able to discuss the the meaning of resistance and resistivity.
- Be able to apply conservation of energy to situations involving electric potential
energy
- Be able to calculate the electric potential difference for charges moving in uniform
electric fields and in the electric field of a point charge
- Be able to calculate the electric potential difference for continuous distributions of
charges by using the electric field of the distribution and by integrating over the charge
distribution.
- Be able to find the electric field of a charge distribution from the electric potential.
- Be able to use Ohm's law and know in what circumstances it is applicable.
- Be able to state Kirchoff's laws and be able to explain how they are related to
conservation of charge and conservation of energy.
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| Tuesday |
Finish up anything leftover from Friday. Introduction to electric
potential energy and potential difference. Group work using energy bar charts Outside
of class: Read Ch. 29. Complete Ch. 29 workbook exercises 2, 3, 5, 7, 9,
13, 15, and 17. Complete Ch. 28 homework: 18, 21, 37, 44 and 52. (Due Thursday) |
| Thursday |
Continue to discuss electric potential difference. Do examples of
calculating V of continuous charge distributions. Revisit spherical charge
distributions thinking about electric potential this time. Outside of class: Read
Ch. 30 Sec. 1-5. Complete Ch. 30 workbook exercises 1, 2, 17, 19, and 21.
Complete Ch 29 homework: 1, 6, 19, 27 and 40. (Due Friday) |
| Friday |
Discuss the connection between potential difference and electric field.
Introduction to resistance, Ohm's Law, and Kirchoff's laws.. Outside of
class: Read Ch. 30 Sec. 6-7. Complete Ch. 30 workbook exercises 23 and
27. Complete Ch. 29 homework problems:69 and 71. Complete Ch. 30
homework problems: 2, 6, 13, 16, 18, 38, 42b, 45, and 50. (All due Tuesday) Note
that Ch. 29 #69 is the same as Ch. 30 #42a, so you don't have to do it again. |
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