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← ScienceWhich consequence results when the dielectric constant of capacitor insulation decreases excessively at high frequencies?
A)Increased power dissipation due to ESR
B)Decreased capacitance leading to detuning✓
C)Elevated breakdown voltage from field redistribution
D)Reduced leakage current impacting stability
💡 Explanation
When the dielectric constant decreases significantly at high frequencies, the capacitance declines because the permittivity of the insulating material is directly proportional to capacitance, causing detuning. Therefore capacitance reduction results and detuning of circuits, rather than power increase, raised voltage, or reduced current, because these depend on resistive/conductive mechanism.
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