Eddy Currents
Mediumphysics
Eddy currents are?
Select the correct option:
Solution
Incorrect! Answer:
Localized circulating induced currents in conductors
- Origin: When a solid sheet or bulk piece of conductor is placed in a changing magnetic flux, emf is induced throughout the volume.
- Flow: Unlike wires, the current flows in closed circulating paths (like eddies in water) within the body of the conductor.
- Effects:
- Heating: Causes significant energy loss (Joule heating).
- Damping: Produces a braking effect by Lenz's Law (used in electromagnetic brakes).
- Reduction: Minimized by using laminated cores in transformers and motors to break the large current loops into smaller, high-resistance paths.
🔒 Solution Hidden from View
Submit your answer to unlock the detailed step-by-step solution.
More eddy currents Practice Questions
About This Question
- Subject
- physics
- Chapter
- em induction and ac
- Topic
- eddy currents
- Difficulty
- Medium
- Year
- 2025
This medium difficulty physics question is from the chapter em induction and ac, covering the topic of eddy currents. It appeared in the 2025 exam. Practice this and similar questions to strengthen your understanding of em induction and ac concepts.
Looking for more practice? Explore all physics questions or browse em induction and ac questions on RankGuru.