The electric dipole moment of a neutral system of point charges Q1, Q2 – McqOptions

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1.	The electric dipole moment of a neutral system of point charges Q1, Q2.... is ∑Qiri . The charges Qi
A.	must be all positive
B.	must be all negative
C.	must be such that ∑Qi = 0
D.	either (a) or (b)
Answer» D. either (a) or (b)

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