In SI units (the version in cgs units is in a later section), the "integral form" of the original Ampère's circuital law is:
ɪ n WORD_BOUNDARY s iː WORD_BOUNDARY j uː n ɪ t s WORD_BOUNDARY ð ə WORD_BOUNDARY v ɜː ʒ ə n WORD_BOUNDARY ɪ n WORD_BOUNDARY s iː d̠ʒ iː ɛ s WORD_BOUNDARY j uː n ɪ t s WORD_BOUNDARY ɪ z WORD_BOUNDARY ɪ n WORD_BOUNDARY ʌ WORD_BOUNDARY l eɪ t ə ɹ WORD_BOUNDARY s ɛ k ʃ ə n WORD_BOUNDARY ð ɪ WORD_BOUNDARY ɪ n t ɪ ɡ ɹ ə l WORD_BOUNDARY f ɔ ɹ m WORD_BOUNDARY ʌ v ð ɪ WORD_BOUNDARY ə ɹ ɹ ɪ d̠ʒ ɪ n ə l WORD_BOUNDARY æ m p ɛ ɹ z WORD_BOUNDARY s ɜː k ɪ t ə l WORD_BOUNDARY l ɔ WORD_BOUNDARY ɪ z WORD_BOUNDARY