Podcast
Play an AI-generated podcast conversation about this lesson
Questions and Answers
What principle does a DC machine work on?
What principle does a DC machine work on?
- Newton's law of universal gravitation
- Boyle's law of ideal gases
- Faraday’s law of electromagnetic induction (correct)
- Ohm's law of electrical circuits
How is the direction of torque or current developed in a DC machine determined?
How is the direction of torque or current developed in a DC machine determined?
- Coulomb's law of electrostatic force
- Fleming’s left and right-hand rules (correct)
- Newton's first and second laws
- Kirchhoff's voltage and current laws
What is the range of sizes for a DC machine mentioned in the text?
What is the range of sizes for a DC machine mentioned in the text?
- From small machines used in laptops to giant 50,000 kW or more rolls
- From medium-sized machines used in household appliances to giant 100,000 kW or more rolls
- From very small machines used in quartz crystal watches to giant 75,000 kW or more rolls (correct)
- From tiny machines used in calculators to giant 80,000 kW or more rolls
Which law of physics is not relevant to the operation of a DC machine?
Which law of physics is not relevant to the operation of a DC machine?
Signup and view all the answers
What is the primary function of a DC machine?
What is the primary function of a DC machine?
Signup and view all the answers
