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Current in a RL Circuit Calculator

The Current in a RL Circuit Calculator will calculate the:

  1. The current flowing at any instant in a RL circuit when the current in the circuit is increasing
  2. 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

Current in a RL Circuit Calculator
Results (detailed calculations and formula below)
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
i1 (t) = ε/R × 1 - e-R × t/L
i1 (t) = / × 1 - e- × /
i1 (t) = × 1 - e-/
i1 (t) = × 1 - e
i1 (t) = × 1 -
i1 (t) = ×
i1 (t) =
Current (when dropping) in the circuit at any instant calculation
i(t) = ε/R × e-R × t/L
i1 (t) = / × e- × /
i1 (t) = × e-/
i1 (t) = × e
i1 (t) = ×
i1 (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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Discover Physics with free Physics Revision Notes and Physics Calculator: Current In A Rl Circuit. This image shows the properties and current in a rl circuit formula for the Current In A Rl Circuit. The Current in a RL Circuit Calculator will calculate the current flowing at any instant in a RL circuit when the current in the circuit is increasing and/or decreasing

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Current (when rising) in the circuit at any instant Formula and Calculation

i1 (t) = ε/R × 1 - e-R × t/L

Current (when dropping) in the circuit at any instant Formula and Calculation

i(t) = ε/R × e-R × t/L

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