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Problem
Problem
Find
V
a
b
V_{ab}
V
ab
in an electric field
E
=
(
2
i
^
+
3
j
^
+
4
k
^
)
N
C
\textbf{E} = (2\hat{i} + 3\hat{j} + 4\hat{k}) \frac{N}{C}
E
=
(
2
i
^
+
3
j
^
+
4
k
^
)
C
N
, where
r
a
=
(
i
^
−
2
j
^
+
k
^
)
m
\textbf{r}_a = (\hat{i} - 2\hat{j} + \hat{k})\text{ m}
r
a
=
(
i
^
−
2
j
^
+
k
^
)
m
and
r
b
=
(
2
i
^
+
j
^
−
2
k
^
)
m
\textbf{r}_b = (2\hat{i} + \hat{j} - 2\hat{k})\text{ m}
r
b
=
(
2
i
^
+
j
^
−
2
k
^
)
m
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