Tutorials in Introductory Physics
Tutorials in Introductory Physics
1st Edition
ISBN: 9780130970695
Author: Peter S. Shaffer, Lillian C. McDermott
Publisher: Addison Wesley
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Chapter 20.1, Problem 5bTH

Suppose that a switch has been added to the circuit as shown. The switch is initially closed.

Chapter 20.1, Problem 5bTH, Suppose that a switch has been added to the circuit as shown. The switch is initially closed. When
When the switch is opened, will the current through bulb Aincrease, decrease, or remain the same? Explain how you determined your answer.

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The resistance of each brake lightbulb on an automobile is 8.7 2. Use the fact that cars have 12-V electrical systems to compute the current that flows in each bulb if they are connected in series. (For simplicity, assume that the circuit is only composed of one brake lightbulb and the car battery.) Need Help? Read It
Does the total resistance of a circuit increase or decrease when adding resistors in series? Explain your reasoning using the potential path(s) of the current.
Discuss how the resistance in series and parallel relate to the individual resistor values. Which had the highest slope? Which had the lowest slope? Based on your graphs and curve fit values which configuration of resistors (series or parallel) will create the largest resistance in the circult? Is this what you observed? Use the equations from the Introduction to explain how the configuration of the circuit affects the resistance.

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Tutorials in Introductory Physics

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Series & Parallel - Potential Divider Circuits - GCSE & A-level Physics; Author: Science Shorts;https://www.youtube.com/watch?v=vf8HVTVvsdw;License: Standard YouTube License, CC-BY