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 an iron bar across each field
B
placing a magnetic compass near each field
C
connecting a test lamp across adjacent fields
D
connecting a copper jumper across the interpole connections
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Question 1 / 205eccefa3bacbc34ba4d4804a
Question 1 of 205eccefa3bacbc34ba4d4804a
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?
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?