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# What is the equivalent resistance of each group of resistors shown in the figure below?

What is the equivalent resistance of each group of resistors shown in the figure below? In the figure, R1 = 2.5 Ω, R2 = 5.0 Ω, R3 = 8.0 Ω, and R4 = 8.5 Ω.

a) ____ohms

b) ___Ohms

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3 comments
• part B is wrong...could you try again?
• isuder
• May 09, 2018 at 6:07pm
• ok
• situmanas
• May 09, 2018 at 6:16pm
• Start with R4 up, R4 down are in parallel 1/R = 1/8.5 + 1/1.85 where will be R =4.59 Ohms Then they are in series with R4 vertical which isRtotal= R +R4 =4.59 + 8.5=13.09Ohms
• situmanas
• May 09, 2018 at 6:27pm

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