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Delmar's Standard Textbook Of Electricity
7th Edition
ISBN:9781337900348
Author:Stephen L. Herman
Publisher:Stephen L. Herman
Chapter7: Parallel Circuits
Section: Chapter Questions
Problem 3PP: Using the rules for parallel circuits and Ohmslaw, solve for the missing values....
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![Task 3 (of 3)
Consider the circuit shown below.
R1
w
Vs
R2
ли
R3
12 ΚΩ
5 20
ww
R4
36 ΚΩ
Figure 3. Circuit with DC Power Supply and Two Unknown Resistors
ли
Suppose the voltage supplied by the power source, Vs, is 40V.
Determine the following:
(a) The resistance, R2, assuming the current through R2 is one half the current through R3-
R4 parallel circuit.
(b) Using your value computed for R2 in part (a), compute the resistance, R1, that will result
in a voltage drop of 20 V across the R3-R4 parallel circuit.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fe9b0a15a-6500-488e-a8df-5ea71b183f45%2F3c13a1fd-8eae-4523-aa6f-8fbb764f4e20%2Fdmk7nwf_processed.png&w=3840&q=75)
Transcribed Image Text:Task 3 (of 3)
Consider the circuit shown below.
R1
w
Vs
R2
ли
R3
12 ΚΩ
5 20
ww
R4
36 ΚΩ
Figure 3. Circuit with DC Power Supply and Two Unknown Resistors
ли
Suppose the voltage supplied by the power source, Vs, is 40V.
Determine the following:
(a) The resistance, R2, assuming the current through R2 is one half the current through R3-
R4 parallel circuit.
(b) Using your value computed for R2 in part (a), compute the resistance, R1, that will result
in a voltage drop of 20 V across the R3-R4 parallel circuit.
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