Two positive charges (+8.0 mC and +2.0 mC)are separated by 300 m.A third charge is placed at distance r from the +8.0 mC charge in such a way that the resultant electric force on the third charge due to the other two charges is zero.The distance r is
A)0.25 km
B)0.20 km
C)0.15 km
D)0.13 km
E)0.10 km

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The Answer of Two positive charges (+8.0 mC and +2.0 mC)are separated by 300 m.A third charge is placed at distance r from the +8.0 mC charge in such a way that the resultant electric force on the third charge due to the other two charges is zero.The distance r is
A)0.25 km
B)0.20 km
C)0.15 km
D)0.13 km
E)0.10 km

Two Positive Charges (+8