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Video Clips

RealVideo®
11:37 minutes (32:25 - 44:02)
Definition, with example of using the rules to solve a circuit of batteries and resistors.
Current (beginning of video lecture 9)
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RealVideo®
11:27 minutes (32:47 - 44:14)
Finding currents and power in a circuit of batteries and resistors.
Current, Resistance, Power (video lecture 9 and video lecture 10)
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Lecture Notes

PDF - 1.2 MB
Page 27 to page 34
Kirchhoff's Rules for the sum of currents at a junction and the sum of potential differences around a loop in a circuit. Step-by-step method for solving circuit problems with a worked example.
DC Circuits (pages 4-26 of presentation 10)
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PDF
Page 2 to page 2
Definition of electromotive force. Statement of Kirchhoff's rules. Step-by-step method for solving DC circuit problems. Equations for resistance, power, and resistors in series and in parallel.
Electric Field (R2) and Current (R10)
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PDF
Page 5 to page 9
Kirchhoff's Second and First rules for circuits; resistors in series and parallel; finding current.
EMF
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PDF
Page 10 to page 12
Using Kirchhoff's rules to solve complex circuits; internal resistance and power dissipation.
Kirchhoff's rules
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Online Textbook Chapters

PDF
Circuit components (voltage, resistor, switch); parallel and series connection; EMF defined; internal resistance.
Ohm's Law
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PDF
Equivalent resistance; junction and loop rules of Kirchhoff; measuring voltage and current.
Loads and EMF
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PDF
Detailed strategy for using Kirchhoff's rules; equivalent resistance; impedance matching; RC circuit; resistor networks.
RC circuits
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Practice Problems

PDF
Problem 3 to problem 10
Four questions about current and power in simple circuits of batteries and lightbulbs, with answers and explanations.
None
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PDF
Problem 7
Finding potential differences and currents in a network of resistors.
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PDF
Problem 2
Explaining connection between V and R across capacitor.
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Exam Questions

PDF
Problem 1
5-part problem; determining which bulbs in a circuit are lit when various switches are closed and which are brightest.
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PDF
Problem 3
Finding unknown resistance in Wheatstone Bridge.
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PDF
Problem 13
Finding voltmeter readings and current in a circuit enclosing a changing magnetic field.
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PDF
Problem 3
6-part problem; potentials of capacitor plates and voltages in circuit before and after connection; doubled capacitor distance.
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PDF
Problem 4
Comparing brightness and resistance for differently-rated bulbs in series.
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