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← TechnologyWhich actuator failure results when rapid cycling overheats solenoid coils?
A)Decreased magnetic field strength✓
B)Increased armature response time
C)Elevated electrical contact resistance
D)Increased fluid flow restriction
💡 Explanation
Decreased magnetic field strength results because elevated temperature increases coil resistance, reducing current via Ohm's law; this causes partial or fully open actuator valves therefore compromised system function, rather than faster response at lower load, mechanically stuck position, or restricted flow path.
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