Podcast
Questions and Answers
What is the primary cause of the induction of eddy currents?
What is the primary cause of the induction of eddy currents?
- A non-conductive material
- A stationary conductor
- A time-varying magnetic field (correct)
- A constant magnetic field
In which planes do eddy currents flow within conductors?
In which planes do eddy currents flow within conductors?
- Parallel to the magnetic field
- Perpendicular to the magnetic field (correct)
- At an angle to the magnetic field
- In all directions within the conductor
What is the relationship between the magnitude of eddy currents and the rate of change of flux?
What is the relationship between the magnitude of eddy currents and the rate of change of flux?
- Inversely proportional
- Directly proportional (correct)
- Depends on the resistivity of the material
- No relationship
According to Lenz's law, how does an eddy current respond to the magnetic field that created it?
According to Lenz's law, how does an eddy current respond to the magnetic field that created it?
What is the purpose of eddy current brakes?
What is the purpose of eddy current brakes?