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Which outcome accompanies a lossy dielectric between capacitor plates, energized by alternating voltage?

A)Increased equivalent series resistance
B)Higher resonant frequency oscillation
C)Reduced quadrature current component
D)Capacitance value remains unchanged

💡 Explanation

Increased series resistance appears because dielectric losses convert electrical energy into heat through dielectric relaxation, a frequency-dependent damping mechanism. Therefore equivalent series resistance increases, rather than the unchanged capacitive reactance or improved efficiency under resonance.

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