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← ScienceWhich effect results when a mismatched impedance halts the propagation of an electromagnetic wave from a transmission line?
A)Standing wave interference pattern✓
B)Increased dielectric breakdown capacity
C)Enhanced radiative power gain
D)Reduced characteristic material permeability
💡 Explanation
A mismatched impedance prompts wave reflection due to abrupt impedance changes, creating constructive and destructive interference, this **superposition**, which alters amplitudes. Impedance reflection occurs rather than better radiation, higher breakdown strength, or permeability reduction, because the signal abruptly encounters impedance changes.
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