Hard A large-gap material is mechanically strong. What else must be tested for high-voltage insulation? AVolume resistivity under operating conditions BSurface leakage under contamination CMoisture resistance under service conditions DThermal endurance under rated conditions EDielectric strength under relevant operating conditions Report a problem with this question What is wrong? The marked correct answer is wrongAn option is wrong or repeatedSpelling or wording mistakeSomething else Details (optional) Send report
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