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Old English seofon, of Germanic origin; related to Dutch zeven and German sieben, from an Indo-European root shared by Latin septem and Greek hepta .
seofonfeald
sevenfold
Feald (plural Fealder)
field
A pulsating magnetic field is produced, when the stator winding of the single-phase induction motor shown below is energised by a single phase supply. The word Pulsating means that the field builds up in one direction falls to zero and then builds up in the opposite direction.
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In response The Mac to his Publication
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In response The Mac to his Publication
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In response The Mac to his Publication