Table of Contents

## What is meant by ampere-turns?

Definition of ampere-turn : the meter-kilogram-second unit of magnetomotive force equal to the magnetomotive force around a path that links with one turn of wire carrying an electric current of one ampere.

## How do you calculate ampere-turns?

Ampere-Turn Calculator & Coil Comparison

- Applied Input. Applied Input Units. µA. mA. Amperes. mV. Volts. kV.
- Coil Units.
- Conductor Length Units.
- Conductor Diameter 2.
- Magnetomotive Force. Ampere-Turn. Gilbert.
- V = I × R. mV. Volts. kV.
- I = V ÷ R. µA. mA. Amperes.
- P = V × I. mW. Watts. kW.

**What is ampere turn per meter?**

The ampere per meter (symbolized A/m) is the International Unit of magnetic field strength. It is derived from basic standard units, but is expressed directly in base units and cannot be further reduced. Consider the interior of a long, cylindrical coil with a single winding and an air core.

### How do you calculate MMF?

Electromagnetism and magnetic circuits Magnetomotive force (mmf), Fm = NI ampere-turns (At), where N = number of conductors (or turns) and I = current in amperes.

### What is Weber per ampere?

Officially: Weber (unit of magnetic flux) — The weber is the magnetic flux that, linking a circuit of one turn, would produce in it an electromotive force of 1 volt if it were reduced to zero at a uniform rate in 1 second.

**What is meant by magnetomotive force?**

Magnetomotive force, also known as magnetic potential, is the property of certain substances or phenomena that gives rise to magnetic field s. Magnetomotive force is analogous to electromotive force or voltage in electricity.

## What are turns of a coil?

“Turns” refers to the winding number of an electrical conductor composing an inductor. For example, a current of 2 A flowing through a coil of 10 turns produces an MMF of 20 At.

## How do you convert amps to meters?

Please provide values below to convert ampere/centimeter [A/cm] to ampere/meter [A/m], or vice versa….Ampere/centimeter to Ampere/meter Conversion Table.

Ampere/centimeter [A/cm] | Ampere/meter [A/m] |
---|---|

0.01 A/cm | 1 A/m |

0.1 A/cm | 10 A/m |

1 A/cm | 100 A/m |

2 A/cm | 200 A/m |

**What is ampere meter squared?**

The ampere per meter squared, symbolized A/m 2 , is the International Unit of electric current density . A current density of 1 A/m 2 represents one ampere of electric current flowing through a material with a cross-sectional area of one square meter. The ampere per meter squared is a small unit of current density.

### What is MMF and EMF?

EMF stands for electromotive force. MMF stands for magnetomotive force. It is defined as the driving force responsible for the movement of the electrons in an electrical circuit. It is defined as the driving force responsible for the creation of magnetic flux in a magnetic circuit.

### What is MMF and flux?

Magnetic flux is defined as the product of the average mangetic field times the perpendicular area. MMF(Magnetomotiveforce): Magnetomotiveforce is defined as the product of current flowing through the wire and the numbers of windings.

**What is weber turn?**

weber, unit of magnetic flux in the International System of Units (SI), defined as the amount of flux that, linking an electrical circuit of one turn (one loop of wire), produces in it an electromotive force of one volt as the flux is reduced to zero at a uniform rate in one second.

## What means weber?

In physics, the weber (/ˈveɪb-, ˈwɛb. ər/ VAY-, WEH-bər; symbol: Wb) is the SI derived unit of magnetic flux whose units are volt-second. A flux density of one Wb/m2 (one weber per square metre) is one tesla. weber. Unit system.

## What is MMF and reluctance?

Magnetic reluctance, or magnetic resistance, is a concept used in the analysis of magnetic circuits. It is defined as the ratio of magnetomotive force (mmf) to magnetic flux. It represents the opposition to magnetic flux, and depends on the geometry and composition of an object.

**What is number of turns in coil?**

Number of Turns of a Coil formula is given for both total number of turns and turns per volts. Turns per volts formula is derived as (1/(4.44 x F x M x A)) where F = Operating frequency, M = Magnetic flux and A = Area of core. Total number of turns formula is defined as ( Turns per volts x voltage).

### How are winding turns calculated?

Calculate the inductance associated with the winding using the formula L = (u0 * A * N^2)/l where u0 is the permeability of free space at 12.56 x 10^-7. If N is 100 turns, l is 6 meters and A is 7.069 square meters.

### How do you convert amps to CM?

Please provide values below to convert ampere/meter [A/m] to ampere/centimeter [A/cm], or vice versa….Ampere/meter to Ampere/centimeter Conversion Table.

Ampere/meter [A/m] | Ampere/centimeter [A/cm] |
---|---|

0.1 A/m | 0.001 A/cm |

1 A/m | 0.01 A/cm |

2 A/m | 0.02 A/cm |

3 A/m | 0.03 A/cm |