DC MOTOR - Practice Mode

1) Which instrument is used to measure armature winding resistance?
Correct Answer: Kelvin bridge
Explanation:

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2) Which instrument is used to test armature winding for short and open circuit?
Correct Answer: External Growler
3) Which winding wire is used for DC field coil?
Correct Answer: Super enamelled copper wire
4) How many parallel paths in duplex lap winding in the armature of 4 pole D.C Motor?
Correct Answer: 2
5) Which rule determines the direction of rotation of armature in D.C motor?
Correct Answer: Fleming's left hand rule