Examlex
What type of waves have NOT yet been directly detected by astronomers?
Primary
Refers to the first or main part of a system or device, such as the primary winding in a transformer which receives the initial electrical energy.
Tertiary
Pertaining to the third order, level, or stage in a sequence or hierarchy.
Tape-Wound Core
A core used in transformers and inductors, made by winding a tape of thin steel around a form, enhancing magnetic properties.
Toroid Core
A doughnut-shaped electromagnet.
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