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Answer Posted / vishaljadhav001
When supply side C.B. switched,at receiving end voltage
will not appear immediately."Wavefront" is formed.At left
of wavefront Vtg & current occurs,but at right vtg &
charging current is zero.
This wavefront travels from left to right with wave velocity
(v) which depend upon how fast inductance,capacitance reach
max.current & current .At no load capacitor charge through
inductance step by step.When line charged Vr=2Vs.When load
is connected this capacitor discharged,so vtg appear at
load.so that ferrenti not occurs at full load.
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