Physics · Electromagnetism
The lifting force F between pole faces of an electromagnet is given by F = B2 A2μ0. What does 'A' represent in this formula?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Magnetic path length
- 2Cross-sectional area of core
- 3Coil winding area
- 4Pole face area✓
Correct answer
Pole face area
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