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)

Credits

Created by Dipto Mandal
Indian Institute of Information Technology (IIIT), Guwahati
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15 Basics of Electromagentic Induction Calculators

EMF Induced in Rotating Coil
Go EMF Induced in a Rotating Coil = Number of Turns of Coil*Area of Loop*Magnetic Field*Angular Velocity*sin(Angular Velocity*Time)
Self Inductance of Solenoid
Go Self Inductance of Solenoid = pi*[Permeability-vacuum]*Number of Turns of Solenoid^2*Radius^2*Length of Solenoid
Growth of Current in LR Circuit
Go Growth of Current in LR Circuit = e/Resistance*(1-e^(-Time/(Inductance/Resistance)))
Decay of Current in LR circuit
Go Decay of Current in L-R Circuit = Electric Current*e^(-Time Period of Progressive Wave/(Inductance/Resistance))
Current Value for Alternating Current
Go Electric Current = Peak Current*sin(Angular Frequency*Time+Angle A)
Power Factor
Go Power Factor = Root Mean Square Voltage*Root Mean Square Current*cos(Phase Difference)
Resonant Frequency for LCR Circuit
Go Resonant Frequency = 1/(2*pi*sqrt(Impedance*Capacitance))
Total Flux in Self Inductance
Go Self Inductance of Solenoid = pi*Magnetic Flux*Radius^2
Motional EMF
Go Electromotive Force = Magnetic Field*Length*Velocity
Total Flux in Mutual Inductance
Go Total Flux in Mutual Inductance = Mutual Inductance*Electric Current
Time Period for Alternating Current
Go Time Period of Progressive Wave = (2*pi)/Angular Velocity
Capacitive Reactance
Go Capacitive Reactance = 1/(Angular Velocity*Capacitance)
Time Constant of LR Circuit
Go Time Constant of L-R Circuit = Inductance/Resistance
RMS Current given Peak Current
Go Root Mean Square Current = Electric Current/sqrt(2)
Inductive Reactance
Go Inductive Reactance = Angular Velocity*Inductance

Time Constant of LR Circuit Formula

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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