Mathematics · Magnetic Circuits
A steel ring is uniformly wound with 500 turns of copper wire. If the wire carries a steady current of 3 A, calculate the total magneto-motive force (mmf) developed in the magnetic circuit.
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 11500 Ampere-turns✓
- 21200 Ampere-turns
- 31050 Ampere-turns
- 4450 Ampere-turns
Correct answer
1500 Ampere-turns
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