Physics
WAEC 1995
Calculate the electric potential at a distance of 20.0cm from a point charge of 0.015C placed in air of permittivity (Take 1/4πε
o as 9.0 x 10
9 Nm
2C
2)
-
A.
3.40x106V
-
B.
6.75x105V
-
C.
6.75x1012V
-
D.
3.40x105V
-
E.
8.30 x 102V
Correct Answer: Option B
Explanation
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