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← ScienceWhich outcome occurs when an EMP impacts a radio-telescope array?
A)Induced current damages receiver electronics✓
B)Reflector surfaces undergo thermal expansion
C)Antenna corrosion leads to signal loss
D)Atmospheric refraction distorts incoming signals
💡 Explanation
The pulse's rapid magnetic field change induces substantial current via electromagnetic induction, because the array's large area intercepts the EMP's waveform. Therefore, electronic components can be damaged, rather than expansion, atmospheric effects or corrosion.
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