we hav seen in electric engine of trains only 1 wired slidng
conecctn is there frm ovrhead line,howevr to complete a ckt
in dc postv n negtv two conection has to b there...so where
is tht negative is been connectd or where it is grounded...?
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Answer Posted / jagadisha.n bmsit
Obviously there should be neutral connection to flow of
current. Positive is connected from overhead line and
neutral connection is from track through wheels..
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