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The Output Current in Transformer Calculator will calculate the:

- Output current in an ideal transformer
- Output current in a non-ideal (real) transformer
- Number of turns in the secondary coil of an ideal transformer when the voltages are known

**Calculation parameters:** The conducting wire of transformer is uniform and it has the same thickness everywhere; the source supplies AC current.

The output current in an ideal transformer is A [Ampere] |

The output current in a real transformer is A [Ampere] |

The number of turns in the secondary coil is |

Output current in an ideal transformer calculation |
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i_{2} (ideal) = i_{1} × ∆V_{1}/∆V_{2}i _{2} (ideal) = × /i _{2} (ideal) = /i _{2} (ideal) = |

Output current in a real transformer calculation |

i_{2} (real) = P_{lost}/∆V_{2} (1 - e)i _{2} (real) = / (1 - )i _{2} (real) = / × i _{2} (real) = /i _{2} (real) = |

Number of turns in the secondary coil calculation |

N_{2} = × N∆V_{2}/∆V_{1}_{1}N _{2} = × /N _{2} = × N _{2} = |

Output Current In A Transformer Calculator Input Values |

Input current in the transformer (i_{1}) A [Ampere] |

Input voltage in the transformer (ΔV_{1}) V [Volt] |

Number of turns in the primary coil (N_{1}) |

Output voltage (ΔV_{2}) V [Volt] |

Efficiency of real transformer (e) |

Power lost in the transformer (P_{lost}) W [Watt] |

Please note that the formula for each calculation along with detailed calculations are available below. As you enter the specific factors of each output current in a transformer calculation, the Output Current In A Transformer Calculator will automatically calculate the results and update the Physics formula elements with each element of the output current in a transformer calculation. You can then email or print this output current in a transformer calculation as required for later use.

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i_{2} (ideal) = *i*_{1} × ∆V_{1}*/**∆V*_{2}

This formula derives from the formula of power of an ideal transformer

i_{1} × ∆V_{1} = i_{2} × ∆V_{2}

i_{2} (real) = *P*_{lost}*/**∆V*_{2} (1 - e)

This formula derives from

e = *P*_{output}*/**P*_{output} + P_{lost} × 100%

N_{2} = *∆V*_{2}*/**∆V*_{1} × N_{1}

The following Physics tutorials are provided within the Magnetism section of our Free Physics Tutorials. Each Magnetism tutorial includes detailed Magnetism formula and example of how to calculate and resolve specific Magnetism questions and problems. At the end of each Magnetism tutorial you will find Magnetism revision questions with a hidden answer that reveals when clicked. This allows you to learn about Magnetism and test your knowledge of Physics by answering the test questions on Magnetism.

- 16.1 - Introduction to Magnetism
- 16.2 - Magnetic Field Produced by Electric Currents
- 16.3 - Magnetic Force on a Current Carrying Wire. Ampere's Force
- 16.4 - Magnetic Force on a Wire Moving Inside a Magnetic Field. Lorentz Force
- 16.5 - Magnetic Dipole Moment
- 16.6 - Ampere's Law
- 16.7 - Faraday's Law of Induction
- 16.8 - Lentz Law
- 16.9 - Inductance and Self-Induction
- 16.10 - Induction and Energy Transfers
- 16.11 - Induced Electric Fields
- 16.12 - RL Circuits
- 16.13 - Energy Stored in a Magnetic Field. Energy Density of a Magnetic Field. Mutual Induction
- 16.14 - Alternating Current. LC Circuits
- 16.15 - Introduction to RLC Circuits
- 16.16 - The Series RLC Circuit
- 16.17 - Power in an Alternating Circuit. Transformers
- 16.18 - Maxwell Equations

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