A power transmission line is hung from metal towers with glass insulators having a resistance of 2.55 ✕ 109 Ω. What current (in mA) flows through the insulator if the voltage is 300 kV? (Some high-voltage lines are DC.)
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A power transmission line is hung from metal towers with glass insulators having a resistance of 2.55 ✕ 109 Ω. What current (in mA) flows through the insulator if the voltage is 300 kV? (Some high-voltage lines are DC.)
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