A power transmission line feeds input power at 2300 V

cbse
alternating-currents

#1

A power transmission line feeds input power at 2300 V to a step-down transformer with its primary windings having 4000 turns. What should be the number of turns in the secondary in order to get output power at 230 V?


#2

Given primary voltage, ${ V}{ p }$ = 2300 V
secondary voltage, ${ V}
{ s }$ = 230 V
Primary turns ${ N}_{ p }$ = 4000 turns
Here, we assume that the transformer is ideal.No power loss in the form of heat,etc.
Using the formula,

${ N}_{ s }$ = 400