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EMF of Unknown Cell using Potentiometer Formula

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Electromotive Force is the energy that drives electric current around a circuit, measured in volts, and is responsible for maintaining the flow of electric charge. Check FAQs

ε = \frac{ε' \cdot L}{l 2}

ε - Electromotive Force?ε_' - EMF of Unknown Cell using Potentiometer?L - Length?l₂ - Final Length?

EMF of Unknown Cell using Potentiometer Example

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Here is how the EMF of Unknown Cell using Potentiometer equation looks like with Values.

Here is how the EMF of Unknown Cell using Potentiometer equation looks like with Units.

Here is how the EMF of Unknown Cell using Potentiometer equation looks like.

1.8013 = \frac{1.441 \cdot 1500}{1200}

1.8013V = \frac{1.441V \cdot 1500mm}{1200mm}

1.8013 = \frac{1.441 \cdot 1500}{1200}

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EMF of Unknown Cell using Potentiometer Solution

Follow our step by step solution on how to calculate EMF of Unknown Cell using Potentiometer?

FIRST Step Consider the formula

ε = \frac{ε' \cdot L}{l 2}

Next Step Substitute values of Variables

∴

ε = \frac{1.441V \cdot 1500mm}{1200mm}

Next Step Convert Units

∴

ε = \frac{1.441V \cdot 1.5m}{1.2m}

Next Step Prepare to Evaluate

∴

ε = \frac{1.441 \cdot 1.5}{1.2}

Next Step Evaluate

∴

ε = 1.80125V

LAST Step Rounding Answer

∴

ε = 1.8013V

EMF of Unknown Cell using Potentiometer Formula Elements

Variables

Electromotive Force

Electromotive Force is the energy that drives electric current around a circuit, measured in volts, and is responsible for maintaining the flow of electric charge.

Symbol: ε

Measurement: Electric PotentialUnit: V

Note: Value can be positive or negative.

Formulas to find Electromotive Force

EMF of Unknown Cell using Potentiometer

EMF of Unknown Cell using Potentiometer is the voltage developed across the cell when it is connected to a potentiometer in a circuit.

Symbol: ε_'

Measurement: Electric PotentialUnit: V

Note: Value can be positive or negative.

Formulas to find EMF of Unknown Cell using Potentiometer

Length

Length is the distance between two points in a circuit, measured in meters, and is a fundamental parameter in electric current calculations.

Symbol: L

Measurement: LengthUnit: mm

Note: Value should be greater than 0.

Formulas to find Length

Final Length

Final Length is the total length of a wire or conductor in an electric circuit, including all its components and connections.

Symbol: l₂

Measurement: LengthUnit: mm

Note: Value can be positive or negative.

Formulas to find Final Length

Other formulas in Voltage and Current Measuring Instruments category

Go Potential Gradient through Potentiometer

x = \frac{ΔV - V B}{L}

Go Current in Potentiometer

I = \frac{x \cdot L}{R}

Go Metre Bridge

R x = R \cdot \frac{L wire}{L f,wire}

Go Ohm's Law

V = I \cdot R

How to Evaluate EMF of Unknown Cell using Potentiometer?

EMF of Unknown Cell using Potentiometer evaluator uses Electromotive Force = (EMF of Unknown Cell using Potentiometer*Length)/Final Length to evaluate the Electromotive Force, EMF of Unknown Cell using Potentiometer formula is defined as a method to measure the electromotive force of an unknown cell using a potentiometer, which is a device used to compare the electromotive force of two cells. It is a precise and reliable technique used in physics and chemistry experiments to determine the voltage of an unknown cell. Electromotive Force is denoted by ε symbol.

How to evaluate EMF of Unknown Cell using Potentiometer using this online evaluator? To use this online evaluator for EMF of Unknown Cell using Potentiometer, enter EMF of Unknown Cell using Potentiometer (ε_'), Length (L) & Final Length (l₂) and hit the calculate button.

FAQs on EMF of Unknown Cell using Potentiometer

What is the formula to find EMF of Unknown Cell using Potentiometer?

The formula of EMF of Unknown Cell using Potentiometer is expressed as Electromotive Force = (EMF of Unknown Cell using Potentiometer*Length)/Final Length. Here is an example- 1.8125 = (1.441*1.5)/1.2.

How to calculate EMF of Unknown Cell using Potentiometer?

With EMF of Unknown Cell using Potentiometer (ε_'), Length (L) & Final Length (l₂) we can find EMF of Unknown Cell using Potentiometer using the formula - Electromotive Force = (EMF of Unknown Cell using Potentiometer*Length)/Final Length.

Can the EMF of Unknown Cell using Potentiometer be negative?

Yes, the EMF of Unknown Cell using Potentiometer, measured in Electric Potential can be negative.

Which unit is used to measure EMF of Unknown Cell using Potentiometer?

EMF of Unknown Cell using Potentiometer is usually measured using the Volt[V] for Electric Potential. Millivolt[V], Microvolt[V], Nanovolt[V] are the few other units in which EMF of Unknown Cell using Potentiometer can be measured.

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EMF of Unknown Cell using Potentiometer Formula

EMF of Unknown Cell using Potentiometer Example

EMF of Unknown Cell using Potentiometer Solution

EMF of Unknown Cell using Potentiometer Formula Elements

Other formulas in Voltage and Current Measuring Instruments category

How to Evaluate EMF of Unknown Cell using Potentiometer?

FAQs on EMF of Unknown Cell using Potentiometer

Variable Name