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Physics
Physics
Problem
Two point charges
+
2
μ
C
+2\,\mu\text{C}
+
2
μ
C
and
−
4
μ
C
-4\,\mu\text{C}
−
4
μ
C
are kept
5
cm
5\,\text{cm}
5
cm
apart in air. What will be the sign of their electrical potential energy? a)
+
ve
+\text{ve}
+
ve
(Positive) b)
0
0
0
(Zero) c)
−
ve
-\text{ve}
−
ve
(Negative) d) Cannot be determined without knowing
k
k
k
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