Three resistors with values of R1, R2 and R3, respectively, are connected in series. Which of the following expresses the total resistance, RT, of the three resistors? a. RT = R1 + R2 + R3 b. RT = (1/R1 + 1/R2 + 1/R3) c. RT = R1 = R2 = R3 d. RT = (1/R1 + 1/R2 + 1/R3)-1

Three resistors with values of R1, R2 and R3, respectively, are connected in series. Which of the following expresses the total resistance, RT, of the three resistors? a. RT = R1 + R2 + R3 b. RT = (1/R1 + 1/R2 + 1/R3) c. RT = R1 = R2 = R3 d. RT = (1/R1 + 1/R2 + 1/R3)-1

College Physics

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter21: Circuits And Dc Instruments

Section: Chapter Questions

Problem 17PE: (a) What is the terminal voltage of a large 1.54-V carbon-zinc dry cell used in a physics lab to...

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Question

Three resistors with values of R₁, R₂ and R₃, respectively, are connected in series. Which of the following expresses the total resistance, R_T, of the three resistors?

a. R_T = R₁ + R₂ + R₃

b. R_T = (1/R₁ + 1/R₂ + 1/R₃)

c. R_T= R₁ = R₂ = R₃

d. R_T = (1/R₁ + 1/R₂+ 1/R₃)^-¹

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