【Daily Topic】【Electrical Edition 20170401】
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Participation reward: 2 Wealth. Correct reward: 8 Wealth. Multiple-choice question: If the armature of a contactor gets stuck and cannot engage, it will cause ( ). A. The voltage at the coil terminals increases. B. The impedance of the coil increases. C. The current flowing through the coil increases. D. The current flowing through the coil decreases. C
A stuck armature in an AC contactor that fails to engage will result in (C). A. The terminal voltage of the coil increases. B. The impedance of the coil increases. C. The current in the coil increases. D. The current in the coil decreases