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Physics
Physics
Problem
A charge
+
5
μ
C
+5\,\mu\text{C}
+
5
μ
C
is fixed at
x
=
0
x = 0
x
=
0
and a charge
−
3
μ
C
-3\,\mu\text{C}
−
3
μ
C
at
x
=
0.30
m
x = 0.30\,\text{m}
x
=
0.30
m
on the
x
x
x
-axis. A third charge
q
q
q
is placed at
x
=
0.10
m
x = 0.10\,\text{m}
x
=
0.10
m
. What should be the value of
q
q
q
so that the net electric potential at
x
=
0.20
m
x = 0.20\,\text{m}
x
=
0.20
m
becomes zero? a)
+
1.75
μ
C
+1.75\,\mu\text{C}
+
1.75
μ
C
b)
−
1.5
μ
C
-1.5\,\mu\text{C}
−
1.5
μ
C
c)
+
0.5
μ
C
+0.5\,\mu\text{C}
+
0.5
μ
C
d)
+
1.0
μ
C
+1.0\,\mu\text{C}
+
1.0
μ
C
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