Engine : Electricity - 290/1386
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| One method of testing for a reversed shunt field coil in a DC motor is by connecting the coil to a low voltage source, and testing for polarity. How is this done? |
| A) placing a magnetic compass near each field |
| B) connecting a copper jumper across the interpole connections |
| C) placing an iron bar across each field |
| D) connecting a test lamp across adjacent fields |
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