The unknown resistance R4 measured in a Wheatstone bridge by the formula \({R_4} = {\frac{{{R_2}{R_3}}}{{{R_1}}}_{}}\) with
R1 = 100 ± 0.5% Ω,
R2 = 1000 ± 0.5% Ω,
R3 = 842 ± 0.5% Ω
resulting in R4
1
8420 ± 0.5% Ω
2
8420 ± 1.0% Ω
3
8420 ± 1.5% Ω
4
8420 ± 0.125% Ω
5
8420 ± 0% Ω
5
Question Not Attempted