hˈaɪ ˈævɹɪdʒ kˈɜːɹənt dˈɛnsᵻɾiz lˈiːd tʊ ˌʌndɪzˈaɪɚɹəbəl wˈɛɹɪŋ ˌaʊɾəv mˈɛɾəl wˈaɪɚz dˈuː tʊ ɪlˌɛktɹoʊmɪɡɹˈeɪʃən ˌiːˈɛm.
High average current densities lead to undesirable wearing out of metal wires due to electromigration (EM).