5218628
Descrição
FlashCards por Sarah Collinson, atualizado more than 1 year ago
|
Criado por Sarah Collinson
quase 10 anos atrás
|
|
| Questão | Responda |
| What happens in AC? | Alternating current - the current continuously changes direction |
| What happens in DC? | Direct current - the current continues to flow in the same direction |
| How are the different currents shown on an oscilloscope reading? | AC - a wavy line DC - a flat line |
| Define frequency in AC | The number of changes in direction of current per second |
| What is the frequency of the mains supply? | 50 Hz |
| What is the voltage of the mains supply? | 230 V |
| What is a period on an oscilloscope reading? | The time taken for one cycle |
Quer criar seus próprios Flashcards gratuitos com GoConqr? Saiba mais.