Giancoli 7th Edition textbook cover
Giancoli's Physics: Principles with Applications, 7th Edition
19
DC Circuits
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19-1: Emf and Terminal Voltage
19-2: Resistors in Series and Parallel
19-3: Kirchhoff's Rules
19-4: Emfs Combined, Battery Charging
19-5: Capacitors in Series and Parallel
19-6: RC Circuits
19-8: Ammeters and Voltmeters

Question by Giancoli, Douglas C., Physics: Principles with Applications, 7th Ed., ©2014, Reprinted by permission of Pearson Education Inc., New York.
Problem 8
Q

Design a “voltage divider” (see Example 19–3) that would provide one-fifth (0.20) of the battery voltage across R2R_2, Fig. 19–6. What is the ratio R1R2\dfrac{R_1}{R_2}?

Example 19–3. (a)
Figure 19-6 Example 19–3 (a).
Example 19–3. (b)
Figure 19-6 Example 19–3 (b).
A
14\dfrac{1}{4}
Giancoli 7th Edition, Chapter 19, Problem 8 solution video poster
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COMMENTS
By lzakurdaew on Fri, 2/12/2021 - 3:01 AM

Hi, the video isn't working for me.

By lzakurdaew on Fri, 2/12/2021 - 3:02 AM

Just kidding, it just started. Sorry!

By LDRTrejo on Mon, 10/10/2022 - 10:25 PM

professor, if the question is asking for R2 to have 1/5 of the voltage, why did you give R1 the the .2 value? shouldnt it be the other way around? therefore making the actual answer 4/1 or just 4?

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