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

  • A
    $4000$
  • B
    $40$
  • C
    $400$
  • D
    $2300$

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