Time Constant for RC Circuit Calculator

✖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%
✖Capacitance is the capability of a material object or device to store electric charge. It is measured by the change in charge in response to a difference in electric potential.ⓘ Capacitance [C]			+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 RC Circuit [τ]

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Time Constant for RC Circuit Solution

STEP 0: Pre-Calculation Summary

Formula Used

Time Constant = Resistance*Capacitance
τ = R*C
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.
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).
Capacitance - (Measured in Farad) - Capacitance is the capability of a material object or device to store electric charge. It is measured by the change in charge in response to a difference in electric potential.

STEP 1: Convert Input(s) to Base Unit

Resistance: 60 Ohm --> 60 Ohm No Conversion Required
Capacitance: 350 Microfarad --> 0.00035 Farad (Check conversion here)

STEP 2: Evaluate Formula

Substituting Input Values in Formula

τ = R*C --> 60*0.00035

Evaluating ... ...

τ = 0.021

STEP 3: Convert Result to Output's Unit

0.021 Second -->21 Millisecond (Check conversion here)

FINAL ANSWER

21 Millisecond <-- Time Constant

(Calculation completed in 00.004 seconds)

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Created by Urvi Rathod

Vishwakarma Government Engineering College (VGEC), Ahmedabad

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Time Constant for RC Circuit Formula

LaTeX Go

Time Constant = Resistance*Capacitance
τ = R*C

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 RC Circuit?

Time Constant for RC Circuit calculator uses Time Constant = Resistance*Capacitance to calculate the Time Constant, The Time Constant for RC 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 RC Circuit using this online calculator? To use this online calculator for Time Constant for RC Circuit, enter Resistance (R) & Capacitance (C) and hit the calculate button. Here is how the Time Constant for RC Circuit calculation can be explained with given input values -> 21000 = 60*0.00035.

FAQ

What is Time Constant for RC Circuit?

The Time Constant for RC 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 = R*C or Time Constant = Resistance*Capacitance. 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) & Capacitance is the capability of a material object or device to store electric charge. It is measured by the change in charge in response to a difference in electric potential.

How to calculate Time Constant for RC Circuit?

The Time Constant for RC 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 = Resistance*Capacitance. To calculate Time Constant for RC Circuit, you need Resistance (R) & Capacitance (C). With our tool, you need to enter the respective value for Resistance & Capacitance 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 Resistance & Capacitance. We can use 1 other way(s) to calculate the same, which is/are as follows -

Time Constant = Inductance/Resistance

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