Four charges are brought from infinity and placed at one meter intervals as shown. Determine the electric potential energy of this group?
Answer is E, why?
A) 0.068 J
B) 0.032 J
C) 0 J
D) - 0.014 J
E) - 0.021 J
Answer is E, why?
A) 0.068 J
B) 0.032 J
C) 0 J
D) - 0.014 J
E) - 0.021 J
1 Answer
Mar 15, 2018
suppose,the charge placed at origin is
Now,potential energy due to two charges of
So,here potential energy of the system will be,