Time Constant of LR Circuit Calculator

✖Inductance is the tendency of an electric conductor to oppose a change in the electric current flowing through it.ⓘ Inductance [L]			+10% -10%
✖Resistance is a measure of the opposition to current flow in an electrical circuit. Its S.I unit is ohm.ⓘ Resistance [R]			+10% -10%

✖Time Constant of L-R Circuit is the inductance of circuit per unit resistance.ⓘ Time Constant of LR Circuit [τ]

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Time Constant of LR Circuit Solution

STEP 0: Pre-Calculation Summary

Formula Used

Time Constant of L-R Circuit = Inductance/Resistance
τ = L/R
This formula uses 3 Variables

Variables Used

Time Constant of L-R Circuit - (Measured in Second) - Time Constant of L-R Circuit is the inductance of circuit per unit resistance.
Inductance - (Measured in Henry) - Inductance is the tendency of an electric conductor to oppose a change in the electric current flowing through it.
Resistance - (Measured in Ohm) - Resistance is a measure of the opposition to current flow in an electrical circuit. Its S.I unit is ohm.

STEP 1: Convert Input(s) to Base Unit

Inductance: 5.7 Henry --> 5.7 Henry No Conversion Required
Resistance: 10.1 Ohm --> 10.1 Ohm No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

τ = L/R --> 5.7/10.1

Evaluating ... ...

τ = 0.564356435643564

STEP 3: Convert Result to Output's Unit

0.564356435643564 Second --> No Conversion Required

FINAL ANSWER

0.564356435643564 ≈ 0.564356 Second <-- Time Constant of L-R Circuit

(Calculation completed in 00.004 seconds)

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Home » Physics » Electromagnetic Induction and Alternating Currents » Basic Physics » Electromagnetism » Basics of Electromagentic Induction » Time Constant of LR Circuit

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Created by Dipto Mandal

Indian Institute of Information Technology (IIIT), Guwahati

Dipto Mandal has created this Calculator and 25+ more calculators!

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St Joseph's College (SJC), Bengaluru

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Time Constant of LR Circuit Formula

LaTeX Go

Time Constant of L-R Circuit = Inductance/Resistance
τ = L/R

What is L-R circuit?

A resistor–inductor circuit, or RL filter or RL network, is an electric circuit composed of resistors and inductors driven by a voltage or current source.

How to Calculate Time Constant of LR Circuit?

Time Constant of LR Circuit calculator uses Time Constant of L-R Circuit = Inductance/Resistance to calculate the Time Constant of L-R Circuit, The Time Constant of LR Circuit formula is defined as the time required for the current flowing in the LR series circuit to reach its maximum steady state value is equivalent to about 5 time constants or 5τ. Time Constant of L-R Circuit is denoted by τ symbol.

How to calculate Time Constant of LR Circuit using this online calculator? To use this online calculator for Time Constant of LR Circuit, enter Inductance (L) & Resistance (R) and hit the calculate button. Here is how the Time Constant of LR Circuit calculation can be explained with given input values -> 0.564356 = 5.7/10.1.

FAQ

What is Time Constant of LR Circuit?

The Time Constant of LR Circuit formula is defined as the time required for the current flowing in the LR series circuit to reach its maximum steady state value is equivalent to about 5 time constants or 5τ and is represented as τ = L/R or Time Constant of L-R Circuit = Inductance/Resistance. Inductance is the tendency of an electric conductor to oppose a change in the electric current flowing through it & Resistance is a measure of the opposition to current flow in an electrical circuit. Its S.I unit is ohm.

How to calculate Time Constant of LR Circuit?

The Time Constant of LR Circuit formula is defined as the time required for the current flowing in the LR series circuit to reach its maximum steady state value is equivalent to about 5 time constants or 5τ is calculated using Time Constant of L-R Circuit = Inductance/Resistance. To calculate Time Constant of LR Circuit, you need Inductance (L) & Resistance (R). With our tool, you need to enter the respective value for Inductance & Resistance and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.

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