When you are making a high potential test on a piece of repaired electrical machinery, a rise in leakage current indicates （）.<br>A:good insulation<br>B:bad insulation<br>C:high insulation power factor<br>D:a high slot discharge factor

When you are making a high potential test on a piece of repaired electrical machinery, a rise in leakage current indicates （）.
A:good insulation
B:bad insulation
C:high insulation power factor
D:a high slot discharge factor

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