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← ScienceCapacitance decreases when rapid oscillations induce which outcome in dielectric?
A)Decreased effective permittivity of material✓
B)Electric field propagation accelerates rapidly
C)Increased dielectric breakdown strength momentarily
D)Molecular dipole relaxation time decreases sharply
💡 Explanation
Decreased permittivity occurs because the **dipole polarization** mechanism fails to keep pace as signal frequency increases; therefore capacitance drops, rather than temporarily strengthens, or accelerates propagation, because molecular response lag matters more.
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