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← ScienceWhich outcome usually occurs when a rapidly oscillating current passes through a parallel-plate capacitor?
A)Electromagnetic waves are radiated outward✓
B)Dielectric breakdown lowers capacitance rapidly
C)Electrostatic force overwhelms the plates
D)Capacitance linearly decreases over time
💡 Explanation
Electromagnetic waves occur because the oscillating current causes a rapidly changing electric field between the plates, leading to an oscillating magnetic field. This is Electromagnetic induction; therefore, waves are radiated rather than dielectric breakdown because breakdown requires exceeding the dielectric strength.
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