By: zuritajordaan • 2 year ago
By: olffcollins • 4 year ago
Some examples from this set of practice questions
1.
Stel Faraday se wet in woorde.
Answer: Die geinduseerde EMK is direk eweredig aan die tempo van verandering in magnetiese vloed.
2.
Wat is Elektromagnetiese induksie?
Answer: Indien daar n verandering tussen die magneetveld en n geleier is (magnetiese vloed) word n EMK na die geleier geïnduseer en dus vloei n geïnduseerde stroom deur die geleier.
3.
Wat is die Wortel-gemideld-kwadraat-waarde (wgk)?
Answer: Dit is die gelykstroom potensiaalverskil, óf die stroom wat die selfde energie verbruik as die wisselstroom.
4.
Noem een voordeel van Wisselstroom bo Gelykstroom.
Answer: Wisselstroom kan deur n transformator verhoog of verlaag word.
5.
Watse hand-reël word gebruik om die rigting van die stroom te bepaal?
Answer: Flemming se Regterhand-reël.
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