Answer / guest

NEUTARAL IS THE COMPYLET PATH OR RETURN PATH OF THE
CIRCUIT. AND EARTH IS THE LEAKAGE PATH CURRENT IN THE
CIRCUIT.

Answer / jerick

An Earth point is connected to ground by a low resistance
path so as to protect persons and electrical system from
possible voltage hazard. In case of some some
issue/accident with power supply, current passes to ground
through earthed wire ( keeping voltage on body equal to
near ground)
A Neutral point is the common point from a star connected
transformer providing low resistance return path for
current. The role of Neutral wire is to close the circuit
and carry the consumer load current (return current) back
to the transformer point) while the earth point shall
carry no current in normal situation

Can u explain : what is supply for train (whether a,c or d.c ).I know that supply is 25000v a.c .But there is rumour that supply is D.C. And also explain how lights and fans inside the trains are working ,and what type of motors are used in trains whether D.C motors or induction motors .If d.c motor, how it gets supply.If traction motors are used then what are traction motors and its functions and how it differs from other motors and also explain about locomotive . please reply..............

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