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# A system has two charges $q_A = 2.5 \times 10^{−7}\; C$ and $q_B = −2.5 × 10^{−7} C$ located at points $A: (0, 0, −15cm)$ and $B: (0, 0, + 15 cm),$ respectively. What are the total charge and electric dipole moment of the system?

Total charge is zero.
Dipole moment $= 7.5 \times 10^{–8}\; C m$ along z-axis.