individu Plan and Solve stances: R₁ = R₂ = R3 = 15 2 What unknown are you trying to calculate? current=I=? What equation à can you use to find the unknown? Ohm's law: V = IR For a parallel circuit, V = IR where Reg is the equivalent resistance. Rearranging the equation gives you I = = First, find the equivalent resistance Req 150+15+15=0 1 Re Ω Ω =52 Req Ω V Req Then substitute for V and R to solve for I. 48 V 1= 5Ω === = 9.6 A 3. Look Back and Check Is your answer reasonable? Yes, a current of 9.6 A is reasonable, and the units are reasonable. Math Practice On a separate sheet of paper, solve the following problems. V or A, which is 1. Calculate the current in a 9-V battery that powers three 6-2 resistors parallel. Copyright Savvas Learning Company LLC. All Rights Reserved Conceptual Physics Reading and Study Workbook. Chapter 35

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11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
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100%
individu
Plan and Solve
stances: R₁ = R₂ = R3 = 15 2
What unknown are you trying to calculate?
current=I=?
What equation
à can you use to find the unknown?
Ohm's law: V = IR
For a parallel circuit, V = IR where Reg is the equivalent resistance.
Rearranging the equation gives you I =
=
First, find the equivalent resistance Req
150+15+15=0
1
Re
Ω
Ω
=52
Req
Ω
V
Req
Then substitute for V and R to solve for I.
48 V
1= 5Ω
===
= 9.6 A
3. Look Back and Check
Is your answer reasonable?
Yes, a current of 9.6 A is reasonable, and the units are
reasonable.
Math Practice
On a separate sheet of paper, solve the following problems.
V
or A, which is
1. Calculate the current in a 9-V battery that powers three 6-2 resistors
parallel.
Copyright Savvas Learning Company LLC. All Rights Reserved
Conceptual Physics Reading and Study Workbook.
Chapter 35
Transcribed Image Text:individu Plan and Solve stances: R₁ = R₂ = R3 = 15 2 What unknown are you trying to calculate? current=I=? What equation à can you use to find the unknown? Ohm's law: V = IR For a parallel circuit, V = IR where Reg is the equivalent resistance. Rearranging the equation gives you I = = First, find the equivalent resistance Req 150+15+15=0 1 Re Ω Ω =52 Req Ω V Req Then substitute for V and R to solve for I. 48 V 1= 5Ω === = 9.6 A 3. Look Back and Check Is your answer reasonable? Yes, a current of 9.6 A is reasonable, and the units are reasonable. Math Practice On a separate sheet of paper, solve the following problems. V or A, which is 1. Calculate the current in a 9-V battery that powers three 6-2 resistors parallel. Copyright Savvas Learning Company LLC. All Rights Reserved Conceptual Physics Reading and Study Workbook. Chapter 35
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