Podcast
Questions and Answers
What type of current does a DC motor use?
What type of current does a DC motor use?
- Alternating current (AC)
- Variable current (VC)
- Direct current (DC) (correct)
- Indirect current (IC)
Where are small DC motors commonly used?
Where are small DC motors commonly used?
- Tools, toys, and appliances (correct)
- Industrial machinery
- Power plants
- Automobile engines
What is the function of the internal mechanism in a DC motor?
What is the function of the internal mechanism in a DC motor?
- To generate an electromagnetic field
- To periodically change the direction of current (correct)
- To increase the voltage supply
- To regulate the speed of the motor
What has made replacement of DC motors with AC motors possible in many applications?
What has made replacement of DC motors with AC motors possible in many applications?
How is an electromagnetic field generated in a DC motor?
How is an electromagnetic field generated in a DC motor?