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← ScienceWhich outcome occurs when a dielectric material spontaneously loses polarization?
A)Pyroelectric current becomes momentarily imbalanced
B)Capacitance slowly drifts to zero
C)Internal electric field collapses gradually✓
D)Electromechanical ringing initiates briefly
💡 Explanation
Spontaneous depolarization leads to the collapse of the internal field because the alignment of dipoles, disrupted by the Curie temperature, no longer sustains the electric field. Therefore the field decays, rather than current changes, because pyroelectricity involves temperature change.
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