A 175-kV power transmission line carrying 500 A is hung from grounded metal towers by ceramic insulators, each having a 1.45 x 10⁹ 2 resistance. (a) What is the resistance to ground of 50 of these insulators? (Assume the insulators are connected in parallel.) Ω (b) Calculate the power dissipated by 50 of them. W (c) What fraction of the power carried by the line is this? P Ptotal
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