Physics · Electromagnetism

Why are Alnico magnets commonly used in electrical machines like motors and generators?

Verified Solution4 OptionsUpdated: October 2026👁️1 View

1They are more economical than soft iron
2They are easily demagnetized
3They exhibit high residual magnetism✓
4They have negligible hysteresis loss

Correct answer

They exhibit high residual magnetism

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