A test or examination performed using electrical methods or equipment to measure electrical properties or detect electrical faults.
From electro- (Greek elektron, 'amber') + test (Latin testum, meaning 'earthen pot' used to assess metallic content). The term emerged in modern electronics and electrical engineering.
Modern electrotests can detect defects in manufacturing so small and subtle that they'd be invisible to human inspection—they can check the integrity of integrated circuits, insulation, and connections by running electrical signals through products.
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