In an electric field

PHYSICS · Subjective · A Level · Physics · Fields and their consequences · Fields and their consequences

Problem

In an electric field E=(2i^+4j^) N C−1\mathbf{E}=(2\hat{i}+4\hat{j})\,\text{N C}^{-1}, the electric potential at the origin is 0 V0\,\text{V}. Match the following two columns.
Column IColumn II
(a) Potential at (4 m,0)(4\,\text{m},0)(p) 8 V8\,\text{V}
(b) Potential at (−4 m,0)(-4\,\text{m},0)(q) −8 V-8\,\text{V}
(c) Potential at (0,4 m)(0,4\,\text{m})(r) 16 V16\,\text{V}
(d) Potential at (0,−4 m)(0,-4\,\text{m})(s) −16 V-16\,\text{V}

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