electrodynamics

n. branch of physics that studies the relationship between electrical magnetic and mechanical phenomena

Classical electromagnetism (or classical electrodynamics) is a theory of electromagnetism that was developed over the course of the 19th century, most prominently by James Clerk Maxwell. It provides an excellent description of electromagnetic phenomena whenever the relevant length scales and field strengths are large enough that quantum mechanical effects are negligible (see quantum electrodynamics).
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electrodynamics
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ELETTRODINAMICA

n. การศึกษาว่าปฏิกิริยาสัมพันธ์ระหว่างกระแสไฟฟ้าและพลังแม่เหล็กไฟฟ้า (ทางฟิสิกส์), อิเล็กโทรไดนามิกส์, พลศาสตร์ไฟฟ้า