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## EMF of unknown cell using potentiometer Solution

STEP 0: Pre-Calculation Summary
Formula Used
electromotive_force = (EMF of unknown cell using potentiometer*Length)/Final Length
ε = (*l)/l2
This formula uses 3 Variables
Variables Used
EMF of unknown cell using potentiometer - EMF of unknown cell using potentiometer is used to find emf of unknown cell and compare emf of two cells. (Measured in Volt)
Length - Length is the measurement or extent of something from end to end. (Measured in Meter)
Final length - Final length is the measurement or extent of something from end to end. (Measured in Meter)
STEP 1: Convert Input(s) to Base Unit
EMF of unknown cell using potentiometer: 6 Volt --> 6 Volt No Conversion Required
Length: 3 Meter --> 3 Meter No Conversion Required
Final length: 6 Meter --> 6 Meter No Conversion Required
STEP 2: Evaluate Formula
Substituting Input Values in Formula
ε = (*l)/l2 --> (6*3)/6
Evaluating ... ...
ε = 3
STEP 3: Convert Result to Output's Unit
3 Volt --> No Conversion Required
3 Volt <-- Electromotive Force
(Calculation completed in 00.016 seconds)

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diagonal = sqrt(((Area)^2/(Length)^2)+(Length)^2) Go
Area of a Rectangle when length and diagonal are given
area = Length*(sqrt((Diagonal)^2-(Length)^2)) Go
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perimeter = 2*Length+2*Width Go
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## < 6 Other formulas that calculate the same Output

EMF For DC Generator
electromotive_force = Flux per Number of pole*Number of pole*Motor Speed*Number of conductors/60*Number of parallel paths Go
EMF For DC Generator For Wave Winding
electromotive_force = Flux per Number of pole*Number of pole*Motor Speed*Number of conductors/120 Go
EMF Of Dc Machine When Constant Of The DC Machine Is Given
electromotive_force = Constant Of The DC Machine*Angular Speed*Flux per pole Go
EMF Generated Per Path For A Lap-winding
electromotive_force = (Motor Speed*Number of conductors*Flux per pole)/60 Go
Back EMF
electromotive_force = Voltage-(Armature Current*Armature resistance) Go
Motional EMF
electromotive_force = Magnetic Field*Length*Velocity Go

### EMF of unknown cell using potentiometer Formula

electromotive_force = (EMF of unknown cell using potentiometer*Length)/Final Length
ε = (*l)/l2

## How is EMF of unknown cell using potentiometer calculated ?

Let balance length 1 be l1 then ε1 = xl1 let balance length 2 be l2 then ε2 = xl2 then ε12 = l1 / l2

## How to Calculate EMF of unknown cell using potentiometer?

EMF of unknown cell using potentiometer calculator uses electromotive_force = (EMF of unknown cell using potentiometer*Length)/Final Length to calculate the Electromotive Force, EMF of unknown cell using potentiometer is used to find electromotive foce of unknown cell and compare electromotive force of two cells. Electromotive Force and is denoted by ε symbol.

How to calculate EMF of unknown cell using potentiometer using this online calculator? To use this online calculator for EMF of unknown cell using potentiometer, enter EMF of unknown cell using potentiometer (ℰ), Length (l) and Final length (l2) and hit the calculate button. Here is how the EMF of unknown cell using potentiometer calculation can be explained with given input values -> 3 = (6*3)/6.

### FAQ

What is EMF of unknown cell using potentiometer?
EMF of unknown cell using potentiometer is used to find electromotive foce of unknown cell and compare electromotive force of two cells and is represented as ε = (*l)/l2 or electromotive_force = (EMF of unknown cell using potentiometer*Length)/Final Length. EMF of unknown cell using potentiometer is used to find emf of unknown cell and compare emf of two cells, Length is the measurement or extent of something from end to end and Final length is the measurement or extent of something from end to end.
How to calculate EMF of unknown cell using potentiometer?
EMF of unknown cell using potentiometer is used to find electromotive foce of unknown cell and compare electromotive force of two cells is calculated using electromotive_force = (EMF of unknown cell using potentiometer*Length)/Final Length. To calculate EMF of unknown cell using potentiometer, you need EMF of unknown cell using potentiometer (ℰ), Length (l) and Final length (l2). With our tool, you need to enter the respective value for EMF of unknown cell using potentiometer, Length and Final length 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 Electromotive Force?
In this formula, Electromotive Force uses EMF of unknown cell using potentiometer, Length and Final length. We can use 6 other way(s) to calculate the same, which is/are as follows -
• electromotive_force = Voltage-(Armature Current*Armature resistance)
• electromotive_force = Flux per Number of pole*Number of pole*Motor Speed*Number of conductors/120
• electromotive_force = Flux per Number of pole*Number of pole*Motor Speed*Number of conductors/60*Number of parallel paths
• electromotive_force = (Motor Speed*Number of conductors*Flux per pole)/60
• electromotive_force = Constant Of The DC Machine*Angular Speed*Flux per pole
• electromotive_force = Magnetic Field*Length*Velocity Let Others Know