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← ScienceWhich consequence results when high-frequency electric fields excite water?
A)Dielectric heating raises food temperature✓
B)Electron avalanche causes plasma formation
C)Ferroresonance creates transformer saturation
D)Electromagnetic interference disrupts communication
💡 Explanation
Dielectric heating occurs because electric fields cause water molecules to vibrate, with increased kinetic energy expressed thermally. Therefore, temperature rapidly rises during microwave heating, rather than causing plasma or resonance disruptions at lower power.
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