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Physics
Physics
Problem
An isolated point charge
−
4.0
μ
C
-4.0\,\mu\text{C}
−
4.0
μ
C
is fixed at the origin. Determine the electric field at the point
(
0.10
m
,
0
)
(0.10\,\text{m},\,0)
(
0.10
m
,
0
)
on the positive
x
x
x
-axis. a)
3.6
×
10
6
N/C
3.6\times10^{6}\,\text{N/C}
3.6
×
1
0
6
N/C
along
+
i
^
+\hat i
+
i
^
b)
7.2
×
10
6
N/C
7.2\times10^{6}\,\text{N/C}
7.2
×
1
0
6
N/C
along
−
i
^
-\hat i
−
i
^
c)
3.6
×
10
6
N/C
3.6\times10^{6}\,\text{N/C}
3.6
×
1
0
6
N/C
along
−
i
^
-\hat i
−
i
^
d)
9.0
×
10
5
N/C
9.0\times10^{5}\,\text{N/C}
9.0
×
1
0
5
N/C
along
−
i
^
-\hat i
−
i
^
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