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It represents the energy lost when work is done by the rubber band, as it is lost as heat.

The loop, means loading minus unloading.

It is the amount the unloading curve SHOULD have covered, as in compress back to original, but it did not, hence the unloading curve 'lags' behind in coming back to original dimensions, and the curve represents that.

Since the unloading is not able to come back, that means that energy is not fully or efficiently converted back, hence it represents loss of energy which is in the form of heat.

Hope it helped :)

Natasha.

In hysteresis materials it represents the energy dissipated in them during the cycle of magnetization & demagnetization (just refer any hysteresis loop diagram) .

This is used in many applications especially in aerospace to damp the oscillations in satellite.

Hope it helped.

Ninad

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The area of hysteresis loop in a ferromagnetic material of?

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