Engine_2014 : Electricity - 2226/2299
|
|---|
| « Previous Question |
| Why are modern DC generators fitted with commutating poles? |
| A) they prevent motorizing |
| B) they reduce sparking |
| C) they reduce the load on the main poles |
| D) they reduce spring pressure on the brushes |
loading answer...
| Comments |
|---|
| There are no comments for this question. |