2.5
[tex]R_{V} =4R\\\frac{4x*2x*x}{4x+2x+x} =33\frac{1}{3} \\\frac{4x*2x*x}{7x} =\frac{100}{3} \\\frac{4*2x*x}{7} =\frac{100}{3} \\\frac{8x^{2} }{7} =\frac{100}{3} \\24x^{2} =700\\x^{2} =\frac{175}{6} \\[/tex][tex]x=\frac{5\sqrt{42} }{6}[/tex] ≈ 5.4
R ≈ 5.4 Ом
Copyright © 2024 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
Verified answer
2.5
[tex]R_{V} =4R\\\frac{4x*2x*x}{4x+2x+x} =33\frac{1}{3} \\\frac{4x*2x*x}{7x} =\frac{100}{3} \\\frac{4*2x*x}{7} =\frac{100}{3} \\\frac{8x^{2} }{7} =\frac{100}{3} \\24x^{2} =700\\x^{2} =\frac{175}{6} \\[/tex]
[tex]x=\frac{5\sqrt{42} }{6}[/tex] ≈ 5.4
R ≈ 5.4 Ом