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← ScienceWhich outcome from rapidly switching current in inductive proximity sensor's excitation coil?
A)Eddy current generation in target object✓
B)Thermoelectric voltage reduction in sensor
C)Triboelectric charge accumulation in housing
D)Piezoelectric resonance within the core
💡 Explanation
When current rapidly switches, a changing magnetic field is generated because of electromagnetic induction, inducing eddy currents within a metallic target object placed nearby. Therefore, eddy current generation results, rather than thermoelectric, triboelectric, or piezoelectric effects which involve different material properties and mechanisms.
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