Three separate two-charge systems are arranged as follows
PHYSICS · Single correct · AP · Physics 2: Algebra-based · Electric Force Field and Potential · Electric Force Field and Potential
Problem
Three separate two-charge systems are arranged as follows.
• System A: +q and +q separated by distance d
• System B: +q and −q separated by distance 2d
• System C: −q and −q separated by distance d
Which ranking correctly orders the electric potential energies U_A, U_B, and U_C from most positive to most negative?
(a) UA>UB>UC
(b) UB>UA=UC
(c) UA=UC>UB
(d) UA>UC>UB