Question

36. Two charges of 1 uc and 2uc are placed 0.3 m apar
as shown in the figure. A third charge of 3 uci
moved along the arc of a circle of radius 0.4 m from
C to D, then change in potential energy of the
system is
3uc
0.4m
- 0.3m
B
Tuc
2uc D
(c) 0.608 J (d) 0.176 J
(a) 0.432J
(b) 0:863 J​

Answer 1

@) 0.432J

Thanks!!!!!