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← ScienceWhich outcome occurs when a microwave oven's magnetron fails?
A)Uneven heating throughout the food✓
B)Reduced radio frequency interference
C)Cavity resonance shifts downward
D)Increased waveguide power transmission
💡 Explanation
When the magnetron weakens, microwave production becomes inconsistent, leading to uneven heating because electromagnetic energy distribution fluctuates rather than maintaining a uniform standing wave. Therefore some areas are cold, rather than heat evenly given consistent microwaves.
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