1.

If R2 = RC RA / (RA +RB +RC ) then R3 equals?

A. R<sub>A</sub> R<sub>B</sub> / (R<sub>A</sub> +R<sub>B</sub> +R<sub>C</sub> )
B. R<sub>C</sub> R<sub>A</sub> / (R<sub>A</sub> +R<sub>B</sub> +R<sub>C</sub> )
C. R<sub>B</sub> R<sub>C</sub> / (R<sub>A</sub> +R<sub>B</sub> +R<sub>C</sub> )
D. R<sub>X</sub> R<sub>A</sub> / (R<sub>A</sub> +R<sub>B</sub> +R<sub>C</sub> )
Answer» B. R<sub>C</sub> R<sub>A</sub> / (R<sub>A</sub> +R<sub>B</sub> +R<sub>C</sub> )


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