Mezue nkebi ahịrịokwu na-esonụ: A kpọkwasịrị amperes aha onye France bụ́ ọkà n'ihe ọmụmụ physics na mgbakọ na mwepụ bụ́ André-Marie Ampère (1775<unk>1836), bụ́ onye mụrụ banyere electromagnetism ma tọọ ntọala maka electrodynamics. N'ịghọta onyinye Ampère nyere n'ịmepụta sayensị eletriki ọgbara ọhụrụ, otu nkwekọrịta mba ụwa, nke a bịanyere aka na ya na 1881
N'otu mgbakọ mba nile nke ike eletrik, e guzobere amper ka ọ bụrụ otu ụkpụrụ nke ike eletrik maka ike eletrik.