Time Constant for RL Circuit Calculator

✖Inductance is the tendency of an electrical conductor to oppose a change in the electric current flowing through it. The flow of electric current creates a magnetic field around the conductor.ⓘ Inductance [L]			+10% -10%
✖Resistance is a measure of the opposition to current flow in an electrical circuit. Resistance is measured in ohms, symbolized by the Greek letter omega (Ω).ⓘ Resistance [R]			+10% -10%

✖Time constant is the response representing the elapsed time required for the system response to decay to zero if the system had continued to decay at the initial rate.ⓘ Time Constant for RL Circuit [τ]

⎘ Copy

👎

Formula

LaTeX

Reset

👍

Download AC Circuits Formula PDF PDF Image

Time Constant for RL Circuit Solution

STEP 0: Pre-Calculation Summary

Formula Used

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

Variables Used

Time Constant - (Measured in Second) - Time constant is the response representing the elapsed time required for the system response to decay to zero if the system had continued to decay at the initial rate.
Inductance - (Measured in Henry) - Inductance is the tendency of an electrical conductor to oppose a change in the electric current flowing through it. The flow of electric current creates a magnetic field around the conductor.
Resistance - (Measured in Ohm) - Resistance is a measure of the opposition to current flow in an electrical circuit. Resistance is measured in ohms, symbolized by the Greek letter omega (Ω).

STEP 1: Convert Input(s) to Base Unit

Inductance: 0.79 Millihenry --> 0.00079 Henry (Check conversion here)
Resistance: 60 Ohm --> 60 Ohm No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

τ = L/R --> 0.00079/60

Evaluating ... ...

τ = 1.31666666666667E-05

STEP 3: Convert Result to Output's Unit

1.31666666666667E-05 Second -->0.0131666666666667 Millisecond (Check conversion here)

FINAL ANSWER

0.0131666666666667 ≈ 0.013167 Millisecond <-- Time Constant

(Calculation completed in 00.004 seconds)

You are here -

Home » Engineering » Electrical » Electrical Circuit » AC Circuits » Time Constant » Time Constant for RL Circuit

Credits

Created by Urvi Rathod

Vishwakarma Government Engineering College (VGEC), Ahmedabad

Urvi Rathod has created this Calculator and 1500+ more calculators!

Verified by Team Softusvista

Softusvista Office (Pune), India

Team Softusvista has verified this Calculator and 1100+ more calculators!

< Time Constant Calculators

Electrical Angle

LaTeX Go Electrical Angle = (Number of Poles/2)*Mechanical Angle

Time Constant for RC Circuit

LaTeX Go Time Constant = Resistance*Capacitance

Time Constant for RL Circuit

LaTeX Go Time Constant = Inductance/Resistance

Time Constant for RL Circuit Formula

LaTeX Go

Time Constant = Inductance/Resistance
τ = L/R

What is time constant τ?

A time which represents the speed with which a particular system can respond to change, typically equal to the time taken for a specified parameter to vary by a factor of 1− 1/e (approximately 0.6321).

How to Calculate Time Constant for RL Circuit?

Time Constant for RL Circuit calculator uses Time Constant = Inductance/Resistance to calculate the Time Constant, The Time Constant for RL Circuit is the time after which the voltage across a capacitor reaches its maximum value if the initial rate of rising voltage is maintained. Time Constant is denoted by τ symbol.

How to calculate Time Constant for RL Circuit using this online calculator? To use this online calculator for Time Constant for RL Circuit, enter Inductance (L) & Resistance (R) and hit the calculate button. Here is how the Time Constant for RL Circuit calculation can be explained with given input values -> 13.16667 = 0.00079/60.

FAQ

What is Time Constant for RL Circuit?

The Time Constant for RL Circuit is the time after which the voltage across a capacitor reaches its maximum value if the initial rate of rising voltage is maintained and is represented as τ = L/R or Time Constant = Inductance/Resistance. Inductance is the tendency of an electrical conductor to oppose a change in the electric current flowing through it. The flow of electric current creates a magnetic field around the conductor & Resistance is a measure of the opposition to current flow in an electrical circuit. Resistance is measured in ohms, symbolized by the Greek letter omega (Ω).

How to calculate Time Constant for RL Circuit?

The Time Constant for RL Circuit is the time after which the voltage across a capacitor reaches its maximum value if the initial rate of rising voltage is maintained is calculated using Time Constant = Inductance/Resistance. To calculate Time Constant for RL 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.

How many ways are there to calculate Time Constant?

In this formula, Time Constant uses Inductance & Resistance. We can use 1 other way(s) to calculate the same, which is/are as follows -

Time Constant = Resistance*Capacitance

Home

FREE PDFs

🔍 Search