Which outcome occurs when a microwave oven's waveguide is damaged, creating a small gap?

💡 Explanation

When the waveguide has a gap, electromagnetic waves leak because the discontinuity disrupts the controlled propagation, leading to arcing at the gap and radiative energy loss. Therefore, localized arcing and energy loss results, rather than uniform improvement or cessation of microwave operation, as these do not arise directly from the described damage.

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