Similarities and differences in magnetic and electric field dilpreet posted this question similarities differences both electric and magnetic field are. Electric flux is proportional to the number of electric field lines going through a normally perpendicular surface. It is actually the electromotive force emf, responsible for the movement of electrons electric current through a circuit. An electric circuit or network is a close loop path providing a return path to the flow of current. Electromagnetic waves contain time varying electric and magnetic field perpendicular to each other and also to path of progression. Difference between conventional current and electric current. Dec 27, 2014 this comparison will give us a clear idea of the electrical, magnetic circuits. Electric field vs magnetic field difference and comparison. The current in an electric circuit can be confined very effectively to the desired path by insulating the conducting parts from each other. So, you should know the difference between the electrical field and the. And an electric motor is little more than a currentcarrying coil whose magnetic field is interacting with the field of a circular arrangement of magnets.
For your quick reference we had added the definitions magnetic circuit related terms below. So, you should know the difference between the electrical field and the magnetic field. Comparison between magnetic and electric circuit electric current. Electric and magnetic circuit analogy theory class bmcje msedclje 2019 duration. Review of basic electrical and magnetic circuit concepts. These concepts will help you understand both fields. Comparison between magnetic and electric circuit free download as pdf file. Difference between electrical and electronic devices the major difference between the electrical and electronic devices is that the electrical devices convert the electrical energy into the other form of energy like heat, light, sound, etc. Difference between electric field vs magnetic field.
Theory and practice delmar cengage learning cc tsai 2 the nature of a magnetic field magnetism force of attraction or repulsion that acts between magnets and other magnetic materials flux lines show direction and intensity of this field at all points. Like its density and intensity, laws applicable in the circuit, magnetic and electric lines, etc. Class notes chapter 6 magnetic circuit analog to electric circuits. Electric field, magnetic field, electromagnetism, electric circuit, operational amplifier, differential amplifier, passive filter, active filter, health risk contents 1. In this post we are going to see the similarities and dissimilarities between the electrical circuit. This comparison will give us a clear idea of the electrical, magnetic circuits. In an electric motor, the magnetic field is largely confined to the magnetic pole pieces, the rotor, the air gaps between the rotor and the pole pieces, and the. In a ringshaped electromagnet with a small air gap, the magnetic field or flux is almost entirely confined to the metal core and the air gap, which together form the magnetic circuit. A similar comparison holds for the magnetic reluctance and the electrical resistance r. Magnetic circuits an overview sciencedirect topics. Difference between magnetic and electric circuit circuit globe.
Lai head, energy systems group, city university, london, uk keywords. As it turns out, the same can be said of flux in a magnetic circuit. There is a lot of similarity between the magnetic and electric circuits, and will be shown later on during discussion. F at any point in space is known as electric field intensity. Although the magnetic circuit is similar in many aspects to the electric circuit, calculations of magnetic circuits are generally more complex because of magnetic leakage and because of the nonlinearity of magnetic materials. The area around a magnet within which magnetic force is exerted, is called a magnetic field. Oct 16, 2019 in the electromagnetic environment, electric and magnetic field studies are most important. Difference between electric and magnetic circuit eectrical. The flux is usually generated by permanent magnets or electromagnets and confined to the path by magnetic cores consisting of ferromagnetic materials like iron, although there may be air gaps or other materials in the path.
The voltage between two points is equal to the electrical potential difference between those points. Magnetic circuits have significant differences that need to be taken into. Difference between electric field and electric field intensity. The closed path followed by magnetic flux is called a magnetic circuit fig. There is a marked difference between the magnetic circuit and the electric circuit in an important respect. The phase difference between electric field vector and magnetic field vector is zero how the phase difference is zero.
Comparison between electrical and magnetic circuits. Aug 10, 2011 what is the difference between current and charge. The major difference is that the series circuits have the same amount of current flow through all the components placed in it. Learn the difference between ionizing and nonionizing radiation, the electromagnetic spectrum, and how harmful emfs are to your health. A object with moving charge always has both magnetic and electric field. Mar 11, 2020 in this video we will be discussing the difference between electric and magnetic circuit in a 6 point indepth analysis which will help your understand the basic and advance concept of magnetic. Electromagnetic devices, magnetic circuit, ferromagnetic material, hysteresis loop, magnetic flux density, magnetizing force, magnetic intensity, magnetic. The concept of a magnetic circuit exploits a onetoone correspondence. Lets start the point by point 14 difference between electrical circuit and magnetic circuit. A magnetic circuit is made up of magnetic materials having high permeability such as iron, soft steel, etc. Current vs voltage difference and comparison diffen.
A magnetic circuit is made up of one or more closed loop paths containing a magnetic flux. I am explaining more things through the difference between electrical circuit and magnetic circuit. In the case of the magnetic field we can see that our old amperes law can not be the whole story. Difference between electric circuit vs magnetic circuit. So, the closed path which is following by the magnetic flux is called magnetic circuit. Electric circuit vs magnetic circuit difference between electric circuit and magnetic circuit. Sep 16, 2011 electric field is produced by a charge whether at rest or in motionbut magnetic field is produced only by a moving charge.
Difference between electrical and electronic devices with. What is the relation between electric flux and current. The following table keys out the main differences between electric and magnetic circuit. Similarities between electrical and magnetic circuits are given below. Magnetic circuits for electric circuits, kirchoffs current law states that the sum of the current into a node of an electric circuit is equal to zero. Strictly speaking, flux does not actually flow in the sense in which an electric current flows. What is the difference bw the electric circuit and magnetic circut. Charge is a vaguely defined concept, while current is a welldefined concept. The magnetic circuits are containing one or more closed loops which contain magnetic flux. Induced voltage in a conductor moving in a magnetic field the voltage induced in a conductor of length l that is moving in a magnetic field with flux density b, at a speed v is given by where. Electromagnetic waves and phase difference all about circuits. Charge gives rise only to an electric field, while current produces both electric and magnetic fields.
Characteristics, electromotive force emf in volts, magnetomotive force mmf in ampere turn. A current or any moving charge always produces a magnetic field apart from the electric field. They have some similarities and also has two different field with same characteristics. Difference bw magnetic circuit and electric circuit.
This chapter starts with a brief description of electric circuits, magnetic circuits, electric fields and. The magnetic flux is usually created from north pole to south pole of a permanent magnet, when the permanent magnet consists of ferromagnetic materials like iron. Difference between diamagnetism, paramagnetism, and ferromagnetism. Current and voltage are two fundamental quantities in electricity. In the electromagnetic environment, electric and magnetic field studies are most important. Whats the difference between electric field and magnetic field. Li department of electrical engineering, the hong kong polytechnic university, hung hom, kowloon, hong kong, p r china keywords. Electric and magnetic fields emfs are invisible areas of energy, often referred to as radiation, that are associated with the use of electrical power and various forms of natural and manmade lighting.
Pdf the difference between voltage and potential difference. The analogy between electric and magnetic circuits is given in the table 1. Analysis of magnetic circuits magnetic circuits basic electrical engineering. Difference between rc and rl circuits with comparison chart. What is the difference between a series circuit and a. Many similarities and dissimilarities find out in both. In other words, the only difference between a generator and a motor is whether you put in force to get out current, or put in current to get out force. The major difference between rc and rl circuits is that the rc circuit stores energy in the form of the electric field while the rl circuit stores energy in the form of magnetic field. Magnetic circuit analog to electric circuits mit opencourseware. The difference between voltage and potential difference. The rc circuit is formed by connecting a resistance in series with the capacitor and a battery source is provided to charge the capacitor.
Many similarities and dissimilarities find out in both fields. It got its name due to the fact that components are placed in the same single path of the flow of current in the electric circuit. The analogies between electric and magnetic circuits are two. In this post we are going to see the similarities and dissimilarities between the electrical circuit and magnetic circuit. Using the analogy between the magnetic and the conduction circuits, the magnetic circuit can be represented in terms of an energy source or m. Difference between electric field and magnetic field physics. Differences between magnetic and electric circuits what is an electric circuit. Difference between magnetic and electric circuit the difference between the magnetic and electric circuit are explained considering various factors like the basic definition, relation between flux and current, reluctance and resistance, emf and mmf, different analogies of both the circuits. Difference between electric and magnetic circuit 6 point.
Difference between magnetic and electric circuit circuit. The resistivity of conductors is more or less constant but the permeability of the ferromagnetic materials varies greatly with magnetic field strength. What are the similarities and differences in magnetic and. The presence and strength of a magnetic field is denoted by magnetic flux lines. Differences the resistivity of conductors is more or less constant but the permeability of the ferromagnetic materials varies greatly with magnetic field strength. Current also exist in forms such as surface current and eddy current. Magnetic circuits in both magnetic and electric circuits, kirchoffs laws are in fact physical laws they stem directly from maxwells equations. The total magnetic flux through any closed surface is always zero, but the total electric flux through any closed surface is equal to the net charge enclosed by the surface multiplied by the reciprocal of absolute permitivity. Comparison of electric and magnetic circuits electrical. Comparison of the magnetic circuit with the electric circuit. Dec 09, 2011 if the voltage difference between two points is zero, there can be no net current between the two points.
Magnetic circuits are used in various devices like electric. Difference between diamagnetism, paramagnetism, and. Jan 18, 2018 difference between electric and magnetic fields duration. Imagine 100 people going for a walk and they carry with them two long boats to use when they come to cross the rivers which they will encounter on the way. Differences between magnetic and electric circuits. It is a closed conducting path in which current can flow from the source to the load. Difference between series and parallel circuits with its.
Difference between electrical and magnetic circuits. However, in electric circuits, a third commonly quoted physical law, in particular ohms law, is not a physical law at all but is instead a property of some types of conducting materials. This page on electric circuit vs magnetic circuit describes difference between electric circuit and magnetic circuit. Current is the flow of charges, stationary charges cannot give any current.
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