Three points charges of `1 C, 2C and 3C` are placed at the corners of an equilateral triangle of side 100 cm. Find the work done to move these charges to the corners of a similar equilateral triangle of side 50 cm.
A. `9.9 xx 10^(10) J`
B. `9.9 xx 10^(9) J`
C. `52 xx 10^(10) J`
D. `5.9 xx 10^(9) J`
