Question

A 10 μC charge is divided into two equal parts and kept at 1 cm distance. Find repulsion between charges?

• A. 225 N
• B. 450 N
• C. 2250 N
• D. 4500 N

Answer 1

Answer: (C)

2250 N

Answer 2

The correct option is (C): 2250 N

$F=\frac{9\times10^9\times(5\times10^{-6})^2}{(10^{-2})^2}\space$
$= 9\times25\times10=2250N$