# Differences

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activities:content:highlights:vfsurfworkefield 2019/01/25 12:18 activities:content:highlights:vfsurfworkefield 2019/01/25 12:19 current
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- Students work in small groups to estimate the vector line integral of an electric field   - Students work in small groups to estimate the vector line integral of an electric field
-  - Students related the change in potential to the vector line integral $\Delta V = \int \vec{E}\cdot\vec{dr}$+  - Students use a plastic surface model relate the change in potential to the vector line integral $\Delta V = -\int \vec{E}\cdot\vec{dr}$

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