Electronics is defined as the science and technology concerned with the development and applications of electronic devices and circuits. At the top of the field of electronics they have detailed knowledge of the technology in operation thats hard to obtain and predict with even the most detailed knowledge of electrical science. The potential difference is defined as the amount of energy used by one coulomb of charge in moving from one point to the other. Electrical formulae for calculating amps, horsepower. When an electrical machine is operating as a motor, the idea is to create a traveling, rotating magnetic field, via the stator and hope 1 that this moving flux attracts the rotor be it via an equivalent. The handbook contains a wide array of topics and each topic is written by an authority on the subject. What is the difference between electric and electronic circuits answer muhammad salam electric ckt is thst ckt which consist of passive components like resistor,i. Voltage drop is the difference in voltage between the two ends of a conductor through which current is flowing. Just as resistances add in series more series resistance makes the overall resistance to current increase, conductances add in parallel more conductive branches makes the overall conductance increase. Active power is the resistive power and equals the equivalent heating effect on water. When we talk about an electrical circuit, it can work for very high voltagesinn the. Electrical energy is the work done by electric charge.
Main difference between electrical and electronic engineering. Ac voltage at home is 230v but its equation is vvm sin. The potential difference is measured by the voltmeter. I intend to make a separate page for each of the subfields mentioned in this article without further referring to the differences between electrical and electronics eng as i dont believe its now necessary. Difference between electrical and electronics difference. Power p the work performed by an electrical current is called power. What is the difference between electronic and electrical. It has the same form as the total resistance formula for series circuits. Potential difference explanation of what is electric.
In the above formulas 1 is the angle of lead or lag between current and voltage and cos 1 pei power factor or pf. As a construction electrician, your understanding and knowledge of basic electrical theory will able to conduct the navys mission. Difference between electronic, electric, and electrical. Use the chart in this calculation guide to find the formula you need according to. The largest collection of symbols in the network in pdf format.
So what exactly is the difference between electrical devices and electronic devices. Here, i l and v l are the output current and voltage through the load connected at the terminals of rectifier. Hope you have understood about electric energy and power, how it is defined, its symbol, units, formula, terms. The handbook of electric power calculationsprovides detailed stepbystep calculation procedures commonly encountered in electrical engineering. Where v is the potential difference, i is the electric current, r is the resistance and p is the electric power. The potential difference between the two point charges is expressed by the formula shown below. The answer lies in how devices manipulate electricity to do their work. For instance, a smartphone and a laptop could be described as electronic devices, whereas most people would call electric drills, toasters, and. Electrical vs electronics difference between electrical. Ripple is equal to the difference between the actual output minus expected dc output. Electrical devices mainly change current into another form of energy such as heat or light.
Electronic engineering also called electronics and communications engineering is an electrical engineering discipline which utilizes nonlinear and active electrical components such as semiconductor devices, especially transistors, diodes and integrated circuits to design electronic circuits, devices, vlsi devices and their systems. What is the difference between electrical and electronic. An electrical machine is simply an electrical mechanical energy conversion device which utilises magnetic fields as the exchange medium. The basic principle that describes this relationship is ohms law. Electrical conductance is just the opposite of resistance while resistance is the measure of the opposition of flow of electrons through it by a material. Electrical devices take the energy of electric current and transform it in simple ways into some other form of energy most likely light, heat, or motion. It is measured in volts and represented by the symbol v. In other words conductance is the measure of inducement which it offers to flow.
Squarewave waveforms are used extensively in electronic and micro electronic circuits for clock and timing control signals as they are symmetrical waveforms of equal and square duration representing each half of a cycle and nearly all digital logic circuits use square wave waveforms on their input and output gates. Electricity formulas are applied in calculating the unknown electrical parameters from the known in electric circuits solved examples. Difference between ohms law and kirchhoffs law compare. The former, like electric wires cables, resistors, etc. What is electrical energy definition formula unit of. R where power p is in watts, voltage v is in volts and current i is in amperes dc. Hundreds of electrical products and tools to select from. Voltage or electric potential difference electrical4u. Distinction between electrical and electronics engineering. Voltage is measured using a unit called, naturally, the volt, usually abbreviated v. So in order for us to calculate the total power consumed, we need to know the phase difference between the sinusoidal waveforms of the voltage and current.
Electrical is something which is being controlled and electronics is something that controls. These chapters can be taught separately from or in combination with the rest of the book, as needed by the students. Electrical electronics engineering formulas electrical. 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.
Power, voltage, current, resistance formulas for dc circuits with easy explanation p, v, i, r, formulas. Electrical relates to producing or being operated by electricity where as electronic is commonly concerned with application of devices involving flow of. Az quick notes why transformer rating is in kva not in kw. The voltage available in a flashlight battery is about 1. The first half of basic electronics math provides a refresher of mathematical concepts. The voltage thats available in a standard electrical outlet in the united states is about 117 v. This equipment is needed in systems of electric lighting and power, and intercommunications. Usually, devices both have electrical and electronic components in them but it is important to know the difference between the two terms. An electrical distributor supplying everything from light bulbs and dimmers to plcs and industrial automation equipment. The difference between electricity and electronics electricity is the branch of physics. Difference between electrical and electronics electrical. Electrical is defined as anything relating to or concerned with electricity. Voltage current resistance and electric power general.
You can find out how much voltage exists between two points by. Although a piece of equipment may be riddled with electronic components, its considered fodder for electronics engineers if power is the focus of its use. Example 1 determine the current flowing through the electric heater have p. Emf or electromotive force js required force to make free electrons move in a particular direction. When talking about electrical and electronics devices, there is a difference in which these two behave. Generally electrical systems work on ac supply and electronic systems on dc supply. In some cases, the symbol u or e for emf electromotive force is also used, but the standard symbol v represents any potential difference. If there is ac, look also at the power factor pf cos. Conductance and conductivity electronics tutorials.
What is the difference between electric and electronic. States navy who does not use electrical or electronic equipment. What is the difference between electrical and electronics. The discipline typically also designs passive electrical. For consultation and interpretation of components, devices and electrical and electronic circuit. Electronic systems are far smarter than electrical systems. Then there exists a phase difference between the two waveforms as the current cross the horizontal reference axis reaching its maximum peak and zero values after the voltage waveform. Electronics devices do the same thing but in addition they manipulate. What is the main difference between electrical and.
Power formula can be rewritten using ohms law as p i2r or p v2r. The treatment throughout the handbook is practical with very little emphasis on theory. Key difference ohms law vs kirchhoffs law when it comes to understanding the electricity, it is highly crucial to understand the relationship between the primitive parameters, voltage and current. Resistance r, r the ohm is the electrical resistance between two points of a conductor when a constant difference of potential of one volt, applied between these two points, produces in this conductor a current of one ampere, this conductor not being the source of any electromotive force. Basic electronics math provides is a practical application of these basics to electronic theory and circuits. Electronics is considered to be distinct from other fields of science and technology, as it deals with the generation, distribution, switching, storage, and conversion of electrical energy from one form to another using wires, motors, generators, batteries, switches, relays. The difference between series and parallel circuits. In order to construct a building that will last into the future, a strong foundation is a prerequisite. The electric bulb, electric iron etc are electric devices as they are based on the direct effects like heating effect of current. The difference between electricity and electronics plus. Very simple basic electrical quantities formulas with simple explanation in dc circuits. In the field of electronics, potential difference is commonly referred to as voltage and its symbol is v.
Difference between electrical and electronics electrical refers to something related to electricity, such as electricity generation and distribution. The voltage waveform above starts at zero along the horizontal reference axis, but at that same instant of time the current waveform is still negative in value and does not cross this reference axis until 30 o later. To put it more plainly, when you look at a piece of equipment, consider whether it could work without chips or a motherboard. If current i ampere flows through a conductor or through any other conductive element of potential difference v volts across it, for time t second, the electric energy is, electrical energy formula. Ohms law formulas for ac circuits and power factor. Similarly, v dc and i dc are the average value of load voltage and current. Electronic formulas ohms law formulas for dc circuits. Electrical is working with high voltages and conductors insulators though with power electronics electrical deal with semiconductors also but the main domain in. Electronics is a technology that uses electrical principles so people who specialize in that are commonly called electronic technicians. Difference between electrical and electronic devices with.
The distinction between electrical and electronic components elements is twofold. The electrical conductance is the measure of property of a material by which it allows the electrons or electricity to pass through it. This applies to the voltage generated by sources like battery or solar cell, and also to the voltage dropped across a passive electronic. It is the work done in establishing a flow of unit charge.