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Toroidal Definition & Meaning - Merriam-Webster
Toroid - Wikipedia
Toroidal inductors and transformers - Wikipedia
Toroidal - Wikipedia
12.7: Solenoids and Toroids - Physics LibreTexts
What is a toroid and how does it create a magnetic field? - Electricity
Toroidal - Definition, Meaning & Synonyms | Vocabulary.com
TOROIDAL Definition & Meaning | Dictionary.com
Toroid: Definition, Diagram, Magnetic Field, Formula, Applications …
Toroidal - definition of toroidal by The Free Dictionary