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  1. F

    Cable resistance and voltage drop

    A radial circuit feeds a 12Kw load with a two core copper cable 70.25m long.the csa of each core is 10mm squared and the load current is 40A   ( pcopper=1.78×10 to the power of - 8 ohms m.   Calculate the total cable resistance.     The total voltage drop in the cable.   The supply voltage at...
  2. F

    Cable resistance and voltage drop

    A cable carries a current of 65A with a 13v drop. What must be the resistance of a cable which when connected in parallel with the first cable will reduce the voltage drop to 5v?
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