Difference Between Electric And Magnetic Circuit, Formula
Hello, guys welcome back to my blog. In this article, I will discuss the difference between electric circuit and magnetic circuit, definition, formula, terms, what is the electric circuit, what is the magnetic circuit, etc.
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Difference Between Electric And Magnetic Circuit
The difference in between the magnetic and electrical circuit will be explained by considering their different factors such as basic definition, current, reluctance, and the relation between flux, resistance, EMF and MMF and also its density and intensity, laws applicable in the circuit, electric lines and magnetic lines.
Electric circuit
While studying the elementary physics classes, undoubtedly you have come across the fundamental concepts of electricity and how real components has put together to form an electrical circuit. The electric path which will be followed by an electric current is called an electrical circuit. The resistance in the electric circuit avoids the flow of current.
Magnetic circuit
It is a closed path followed by magnetic flux. The magnetic phenomenon will be described by using a fairly large number of terms which are often. In the magnetic circuit, the driving force, analogous to voltage is termed as, Magneto Motive Force. This magnet of motive force will be created by wrapping in the number of turns, that carries current( I ) around a toroidal core. By the definition, the MMF is a product of current and turns. And it is measured in ampere-turns.
| Electric Circuit | Magnetic Circuit | |
| 1 | The electric path which will be followed by an electric current is called an electrical circuit. | It is a closed path followed by magnetic flux. |
| 2 | The current formula for an electrical circuit is Current= voltage / resistance. | The flux formula for the magnetic circuit is Flux = MMF/reluctance. |
| 3 | Resistance formula for the electrical circuit is, Resistance= pl/a | The reluctance formula is, Reluctance= l / ua |
| 4 | Resistance is measured in ohms. | Reluctance is measured in ampere-turns / weber. |
| 5 | The conductivity formula for an electrical circuit is, C = 1/R | The permeability formula for the magnetic circuit is, Permeability= 1/ reluctivity. |
| 6 | The current density formula for the electrical circuit is, J= electrical intensity/resistivity. | The flux density for magnetic circuit is = intensity / reluctivity…………volt/ampere. |
| 7 | The formula for electric field intensity is, = EMF / l ……volts/ampere. | The formula for magnetic flux intensity is,= MMF/ L………….ampere turns / metre. |
| 8 | The current does flow in an electrical circuit except arcing. | Flux doesn’t flow in a magnetic circuit. |
| 9 | For a particular temperature conductivity is constant and independent of the current. | For particular temperature permeability will depend upon the flux density. |
| 10 | Energy is dissipated in resistance due to heat loss. Hence the energy is necessary as long as the current flows. | There is no waste of energy due to reluctance because energy is required only to create the flux but not to maintain it. |
| 11 | Electric insulating materials are possible or available. | No materials are magnetic insulating materials. |
| 12 | In the electrical circuit, we can get EMF which is a driving force for current and it is measured in volts. | In the magnetic circuit, we can get an MMF, which is the driving force for flux and it’s measured in weber. |
| 13 | Resistance is directly proportional to the length of the conductor. | Reluctance is directly proportional to the length of the magnetic path. |
| 14 | Resistance is inversely proportional to the area of the conductor. | Reluctance is inversely proportional to the area of the magnetic path. |
| 15 | Electrical lines are open in an electrical circuit. | Magnetic lines of flux are closed in a magnetic circuit. |
| 16 | There is perfect insulation for electric clients which provides a definite path to the current. | There is no perfect insulation for magnetic flux lines. |
| 17 | Kirchoff’s voltage and the current law are followed for electrical circuits. | Kirchoff’s flux and MMF law are followed for the magnetic circuit. |
| 18 | The electric lines start from positive and the end stores negative. | The magnetic flux lines start from the North Pole and end towards the south pole. |
These was about the difference between electric and magnetic circuit. I hope this article may help you all a lot. Thank you for reading.
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