Engine : Electricity - 237/1386
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| As a DC armature revolves within a stationary magnetic field, the reversals of magnetization of the armature core lags the current reversals which produces heat. What is the correct name for this action which is minimized by the use of soft silicon steel? |
| A) eddy-current loss |
| B) hysteresis loss |
| C) capacitive reaction |
| D) copper loss |
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