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Which mechanism causes static electricity buildup on a conveyor belt moving non-conductive materials?

A)Triboelectric effect by surface contact
B)Capacitive coupling with metal rollers
C)Electromagnetic induction from drive motor
D)Piezoelectric generation within the belt

💡 Explanation

When the belt and material make repeated contact, the triboelectric effect occurs because electrons transfer between surfaces with dissimilar work functions, causing charge separation and static electricity buildup. Therefore triboelectric charging results, rather than alternative mechanisms which require motors, capacitive effects or material deformation.

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