A-LevelPhysicsElectric fields9702/12 · May/June 2019 · Q131 Mark
A small positive charge can move inside a uniform electric field. [Figure 13.1] The charge moves along different straight paths between points P, Q, R and S. Which row gives two paths that result in the same total work done on the charge?
This question uses a diagram from the original paper, which isn't shown here. Open the full paper from the past papers archive to see it.
Apath 1: P to R, path 2: Q to S
Bpath 1: P to R, path 2: P to S
Cpath 1: S to Q, path 2: S to R
Dpath 1: S to Q, path 2: R to P
✓ Correct answer
C: path 1: S to Q, path 2: S to R
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