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The cross section of neutral wire is generally _____ in a three wire D.C system

The cross section of neutral wire is generally _____ in a three wire D.C system

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

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