Voltage in the secondary coil of a transformer does not depend upon.

  • A
    Voltage in the primary coil
  • B
    Ratio of number of turns in the two coils
  • C
    Frequency of the source
  • D
    Both $(A)$ and $(B)$

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$A$ power transmission line feeds input power at $2300\,V$ to a step-down transformer with its primary windings having $4000$ turns,giving the output power at $230\,V.$ If the current in the primary of the transformer is $5\,A,$ and its efficiency is $90\%,$ the output current would be......$A$

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