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Same charges repel, different charges attract PowerPoint Presentation
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Same charges repel, different charges attract - PowerPoint PPT Presentation

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Same charges repel, different charges attract

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  1. Two types of charge + - + - - + Same charges repel, different charges attract

  2. Same charges repel, different charges attract

  3. How rubbing can produce static electricity At the start each material has no overall charge. Friction rubs electrons off the cloth onto the surface atoms of polythene. The polythene gains electrons and becomes negatively charged. The cloth loses electrons and becomes equally positively charged. However, acetate becomes positively charged

  4. However, acetate becomes positively charged