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← ScienceWhich risk increases when microwave oven shielding degrades?
A)Increased electromagnetic radiative heat transfer
B)Resonant inductive coupling to nearby conductors✓
C)Dielectric breakdown of internal components
D)Increased electron tunneling in magnetron
💡 Explanation
Increased resonant inductive coupling elevates the risk of nearby conductor overheating when the shielding grounds degrade because magnetic flux leakage increases generating eddy currents. Therefore, inductive heating occurs, rather than thermal effects due to inefficient power dissipation through radiation.
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