. "p" . _:b19569 . . _:b19569 . _:b19568 . . _:b19595 . _:b19568 . "Electric dipole moment is a measure of the polarity of a system of electric charges."@en . _:b19595 . _:b19568 _:b19569 . _:b19595 . "electric dipole moment"@en . . _:b19595 . _:b19569 . _:b19568 .