Electric field in a region is given by $\vec{E} = 2\hat{i} + 3\hat{j} -4 \hat{k}$ V/m. The potential difference between points (0, 0, 0) and (1,2,3) will be
Answer & explanation
Correct answer: option 3
$\vec{E} = 2\hat{i} + 3\hat{j} -4 \hat{k}$ V/m
$\vec{\Delta r} = \hat{i} + 2\hat{j} + 3\hat{k}$
P.D. across the points = $ -\vec{E} .\vec{\Delta r} = 4V$