noun
electrodynamics
Physics term for the study of electric and magnetic fields and their interactions with charges and currents.
電気力学は電磁気学の一分野です。
Electrodynamics is a branch of electromagnetism.
電磁気学 is the broader field of electromagnetism, while 電気力学 specifically focuses on the dynamic aspects of electric and magnetic fields.
Compound of 電気 (electricity) and 力学 (mechanics, dynamics). A straightforward calque from Western scientific terminology.