Answer / shri..

The voltage is taking at line to line it is called line
voltage Eg in RYB we takes the voltage R&Y, Y&B, B&R this
is the line voltage.
And if we takes the voltage of R&N, Y&N, B&N it is called
phace voltage.

Shriram

Answer / jayveer

Line voltage meancs voltage betweer two line and, Phase
voltage meancs voltage betweet one line with neutral.
(graund)

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