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Engine : Electricity - 133/1386
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How can the loss of residual magnetism in an alternator or generator be corrected?
A) running the generator at normal speed with the field rheostat fully counterclockwise
B) allowing the generator to run at 10% of normal speed for 5 minutes
C) running the rotor in the opposite direction for 5 minutes
D) using a storage battery or battery charger to 'flash' the field
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