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← ScienceWhich consequence of exceeding the dielectric strength in PCB traces?
A)Permanent resistive short circuit forms✓
B)Lowered characteristic impedance results
C)Increased signal reflection occurs
D)Increased radio frequency interference emission
💡 Explanation
When voltage exceeds the dielectric strength, dielectric breakdown occurs because ionization causes conductive plasma; therefore, a permanent short forms, rather than signal degradation that would recover once the overvoltage condition is removed.
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