Calculate the values with the give figure

Posted on 2013-11-06 15:55:00 in Physics by BLUTOS

The voltage between the neutral point and earth of a 2 x 230 volts d.c. 3 wire insulted system was measured by an electrostatic voltmeter and found to be 40 volts. When ammeters in series with a resistance was a connected between the neutral points and earth the current was 0.05 A and the voltage 8 volts. Develop an expression for the fault resistance in the above test and use it to calculate the values with the give figure.

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