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← ScienceWhich outcome occurs when a solenoid valve receives excessive current?
A)Coil overheating induces dimensional deformation✓
B)Back-EMF erodes the insulation
C)Hysteresis causes flow rate oscillations
D)Eddy currents yield armature demagnetization
💡 Explanation
The excessive current causes increased Joule heating due to increased collisions within the coiled wire; therefore, the coil overheating induces dimensional deformation because plastic components close to the coil soften rather than electrical degradation due inductive back-EMF.
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