Find in an electric field

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

Problem

Find VABV_{AB} in an electric field E=(2i^+3j^+4k^) N C−1\mathbf{E}=(2\hat{i}+3\hat{j}+4\hat{k})\,\text{N C}^{-1}, where rA=(i^−2j^+k^) m\mathbf{r}_A=(\hat{i}-2\hat{j}+\hat{k})\,\text{m} and rB=(2i^+j^−2k^) m\mathbf{r}_B=(2\hat{i}+\hat{j}-2\hat{k})\,\text{m}.

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