Both contributions to the displacement current are combined by defining the displacement current as:
b oʊ θ WORD_BOUNDARY k ɑ n t ɹ ɪ b j uː ʃ ə n z WORD_BOUNDARY t ə WORD_BOUNDARY ð ə WORD_BOUNDARY d ɪ s p l eɪ s m ə n t WORD_BOUNDARY k ɜː ɹ ə n t WORD_BOUNDARY ɑ ɹ WORD_BOUNDARY k ə m b aɪ n d WORD_BOUNDARY b aɪ WORD_BOUNDARY d ɪ f aɪ n ɪ ŋ WORD_BOUNDARY ð ə WORD_BOUNDARY d ɪ s p l eɪ s m ə n t WORD_BOUNDARY k ɜː ɹ ə n t WORD_BOUNDARY æ z WORD_BOUNDARY