Answered: A 10 V battery is connected in parallel…

University Physics Volume 1

18th Edition

ISBN:9781938168277

Author:William Moebs, Samuel J. Ling, Jeff Sanny

Publisher:William Moebs, Samuel J. Ling, Jeff Sanny

Chapter2: Vectors

Section: Chapter Questions

Problem 21CQ: What is wrong with the following expressions? How can you correct them? (a) C=AB , (b) C=AB , (c)...

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A 10 V battery is connected in parallel to three resistors as shown in the figure. The values of the resistors are R1=15 Ω, R2=35 Ω, and R3=75 Ω. What is the current going through R2 ?

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Just to clearify: In the first question I asked the currnet was found like this (I2=35 Ω/15 Ω+35 Ω+75 Ω×1.086 A), but this would not be for a parallel resistors? instead i should use 10/35 because the resistors are in parallel?

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Follow-up Question

To find the current through R2 why it is not (the voltage through R2/R2). Which would then look like 10/35. Why do you have to take the (volatge across R2/ R1+R2+R3)?

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