10 A 4ΩΣ 48 V (+ ww R Io 4Ω ww 80 V(+ +1 Select the contribution each source makes to Io (in Amps) if it appears in the list below. ** Select only partial solutions; not the final solution ** 12 Ω

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Q: 145.23 Ω OV M M 0 mA O W +|||+ R₁ R2 Ο Ω OV 0 mA 2.8 W Ο Ω OV 0 mA 21.7 W

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Wheatstone Bridge Method

A Wheatstone bridge is a circuit used to measure unknown resistance by measuring the ratios of the two branches of the circuit such that each branch has two resistance and out of four resistance one is unknown. The two branches are joined in between with the help of galvanometer which is used to determine the direction of the current. The main advantage of this circuit is that it can provide the most accurate measurement (different from a simple voltage separator).