2025 · Q108
The larger area under the hysteresis curve (B-H) of a ferromagnetic material depicts
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- Amaximum magnetization
- Bextent of demagnetization
- Cextent of lagging
- Dminimum energy
Explanation
The B-H hysteresis loop shows how the magnetic induction B lags behind the magnetising field H during a magnetisation cycle. A larger area under the curve indicates a greater lag of B behind H — the extent of hysteresis. Hence the larger area depicts the extent of lagging.