A system has two charges and located at points and

PHYSICS · Subjective · A Level · Physics · Fields and their consequences · Fields and their consequences

Problem

A system has two charges

q_A = +2.5 \times 10^{-7}\,\text{C}

and

q_B = -2.5 \times 10^{-7}\,\text{C}

located at points

A: (0, 0, -15\,\text{cm})

and

B: (0, 0, +15\,\text{cm})

, respectively. What are the total charge and electric dipole moment of the system?