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The Current in a RL Circuit Calculator will calculate the:

- The current flowing at any instant in a RL circuit when the current in the circuit is increasing
- The current flowing at any instant in a RL circuit when the current in the circuit is decreasing

**Calculation Considerations:** The conducting wire of circuit and material the inductor is made from are both uniform and they have the same thickness everywhere; the source supplies DC current

The current flowing at any instant in a RL circuit when the current in the circuit is increasing is A [Ampere] |

The current flowing at any instant in a RL circuit when the current in the circuit is decreasing is A [Ampere] |

Current (when rising) in the circuit at any instant calculation |
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i_{1} (t) = × ε/R1 - e^{-R × t/L}i _{1} (t) = × /1 - e^{- × /}i _{1} (t) = × 1 - e^{-/}i _{1} (t) = × 1 - e^{}i _{1} (t) = × 1 - i _{1} (t) = × i _{1} (t) = |

Current (when dropping) in the circuit at any instant calculation |

i(t) = × eε/R^{-R × t/L}i _{1} (t) = × e/^{- × /}i _{1} (t) = × e^{-/}i _{1} (t) = × e^{}i _{1} (t) = × i _{1} (t) = |

Current In A Rl Circuit Calculator Input Values |

Emf produced by the battery (ε) V [Volt] |

Resistance of circuit (R) Ω [Ohm] |

Inductance of the inductor (L) H [Henry] |

Time elapsed (t) s [second] |

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

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i_{1} (t) = *ε**/**R* × 1 - e^{-R × t/L}

i(t) = *ε**/**R* × e^{-R × t/L}

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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