Engine : Electricity - 754/1386
|
|---|
| « Previous Question |
| What is an advantage of DC motors over AC motors? |
| A) DC motors can be started across the line whereas AC motors cannot |
| B) DC motors offer a more effective means of controlling speed than AC motors |
| C) DC motors require less maintenance than AC motors |
| D) DC motors are less expensive than AC motors |
loading answer...
| Comments |
|---|
| There are no comments for this question. |