Q. The cross section of neutral wire is generally _____ in a three wire D.C system
A. same as the main core
B. half that of the main core
C. doubles the main core
D. Fourth time the main core
Answer: half that of the main core
A. same as the main core
B. half that of the main core
C. doubles the main core
D. Fourth time the main core
Answer: half that of the main core
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