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JAMB UTME

A charge 50μC has an electric field strength of 360 NC-1 at a certain point.
The electric field strength due to another charge 120μC. kept at the same distance apart and in the same medium is

A.
18 NC-1
B.
144 NC-1
C.
150 NC-1
D.
864 NC-1

Answer: C

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