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Magneto Motive Force(MMF) Formula

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Magnetomotive Force is the magnetomotive force is a quantity appearing in the equation for the magnetic flux in a magnetic circuit, often called Ohm's law for magnetic circuits. Check FAQs

mmf = Φ \cdot R

mmf - Magnetomotive Force?Φ - Magnetic Flux?R - Magnetic Circuit Reluctance?

Magneto Motive Force(MMF) Example

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Here is how the Magneto Motive Force(MMF) equation looks like with Values.

Here is how the Magneto Motive Force(MMF) equation looks like with Units.

Here is how the Magneto Motive Force(MMF) equation looks like.

10.125 = 1.25 \cdot 8.1

10.125AT = 1.25Wb \cdot 8.1AT/Wb

10.125 = 1.25 \cdot 8.1

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Magneto Motive Force(MMF) Solution

Follow our step by step solution on how to calculate Magneto Motive Force(MMF)?

FIRST Step Consider the formula

mmf = Φ \cdot R

Next Step Substitute values of Variables

∴

mmf = 1.25Wb \cdot 8.1AT/Wb

Next Step Prepare to Evaluate

∴

mmf = 1.25 \cdot 8.1

LAST Step Evaluate

∴

mmf = 10.125AT

Magneto Motive Force(MMF) Formula Elements

Variables

Magnetomotive Force

Magnetomotive Force is the magnetomotive force is a quantity appearing in the equation for the magnetic flux in a magnetic circuit, often called Ohm's law for magnetic circuits.

Symbol: mmf

Measurement: Magnetomotive ForceUnit: AT

Note: Value should be greater than 0.

Formulas to find Magnetomotive Force

Magnetic Flux

Magnetic Flux is the number of magnetic field lines passing through a surface (such as a loop of wire).

Symbol: Φ

Measurement: Magnetic FluxUnit: Wb

Note: Value should be greater than 0.

Formulas to find Magnetic Flux

Magnetic Circuit Reluctance

Magnetic Circuit Reluctance is the measure of opposition to the flow of magnetic flux in a material, determined by its geometry and magnetic properties.

Symbol: R

Measurement: ReluctanceUnit: AT/Wb

Note: Value should be greater than 0.

Formulas to find Magnetic Circuit Reluctance

Other formulas in Magnetic Instruments category

Go Number of Turns in Solenoid

N = \frac{H s \cdot L}{I \cdot [Permeability-vacuum]}

Go Magnetic Field of Solenoid

H s = \frac{[Permeability-vacuum] \cdot N \cdot I}{L}

Go Reluctance of Magnetic Circuit

R = \frac{mmf}{Φ}

Go Area of Cross-section of Specimen

A = \frac{Φ}{B}

How to Evaluate Magneto Motive Force(MMF)?

Magneto Motive Force(MMF) evaluator uses Magnetomotive Force = Magnetic Flux*Magnetic Circuit Reluctance to evaluate the Magnetomotive Force, The Magneto Motive Force(MMF) formula is defined as the magneto-motive force is a quantity appearing in the equation for the magnetic flux in a magnetic circuit, often called Ohm's law for magnetic circuits. Magnetomotive Force is denoted by mmf symbol.

How to evaluate Magneto Motive Force(MMF) using this online evaluator? To use this online evaluator for Magneto Motive Force(MMF), enter Magnetic Flux (Φ) & Magnetic Circuit Reluctance (R) and hit the calculate button.

FAQs on Magneto Motive Force(MMF)

What is the formula to find Magneto Motive Force(MMF)?

The formula of Magneto Motive Force(MMF) is expressed as Magnetomotive Force = Magnetic Flux*Magnetic Circuit Reluctance. Here is an example- 10.125 = 1.25*8.1.

How to calculate Magneto Motive Force(MMF)?

With Magnetic Flux (Φ) & Magnetic Circuit Reluctance (R) we can find Magneto Motive Force(MMF) using the formula - Magnetomotive Force = Magnetic Flux*Magnetic Circuit Reluctance.

Can the Magneto Motive Force(MMF) be negative?

No, the Magneto Motive Force(MMF), measured in Magnetomotive Force cannot be negative.

Which unit is used to measure Magneto Motive Force(MMF)?

Magneto Motive Force(MMF) is usually measured using the Ampere-Turn[AT] for Magnetomotive Force. Ampere[AT], Kiloampere-Turn[AT], Milliampere-Turn[AT] are the few other units in which Magneto Motive Force(MMF) can be measured.

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Magneto Motive Force(MMF) Formula

Magneto Motive Force(MMF) Example

Magneto Motive Force(MMF) Solution

Magneto Motive Force(MMF) Formula Elements

Other formulas in Magnetic Instruments category

How to Evaluate Magneto Motive Force(MMF)?

FAQs on Magneto Motive Force(MMF)

Variable Name