Electrical Formulas


Electricity, electronics, and electromagnetism are all covered within the field of physics known as electrical. Finding the parameter value in any electrical circuit relies heavily on Electrical Formulas. The Electrical Formulas relating to voltage, current, power, resistance, etc. are the most frequently used formulas. In order to pass one ampere of current through one ohm of resistance, one volt of electrical potential or motive force must exist. One watt is equal to one ampere of current flowing under the force of one volt, which results in one watt of energy. Watts are used to measuring electrical power or energy. A few frequently used Electrical Formulas can be helpful for students. Calculating the electrical parameters in any electrical component is made easier with the use of Electrical Formulas. The derivations of Electrical Formulas are important for students to learn. In order to properly grasp electricity, one must first comprehend its fundamentals. There are further four fundamental physical amounts of electricity. Voltage (V), current (I), resistance (R), and power are among the four most important physical quantities in electricity. Additionally, different units are used to measure each of these quantities. In order to comprehend how various electrical components might function together, a system of water pipelines can be quite useful. Accordingly, in this analogy, voltage stands in for water pressure, current for flow rate, and resistance for pipe size. Volts, amps, ohms, and watts are a few significant electrical fundamentals, in addition to Ohm’s Law. According to Ohm’s Law, the voltage is determined by multiplying the current flowing through a circuit by the resistance of that particular circuit. The basic unit used to measure voltage is referred to as a “volt.” The International System of Units’ fundamental unit for measuring an electric current is the ampere, also known as an “amp” or “A.” The fact that the electric current is measured in amps is particularly notable. The fundamental measure of resistance in an electrical system is the ohm. The term “ohm” also refers to an electrical resistance between two conductor points, which produces a current of one ampere in the conductor when a continuous potential difference of one volt is applied to the points. Such a conductor is also not the source of any electromotive force. The fundamental unit of power in electrical systems, however, is the watt. A watt can also be used to measure the amount of energy that a system releases each second. Mechanical systems make extensive use of watts.

Electrical Formulae

Electrical physics is the area of physics that deals with electricity, electronics, and electromagnetic ideas. Calculating a parameter’s value in any electrical circuit is made much easier by using Electrical Formulas. The most often used Electrical Formulas are those for voltage, current, power, resistance, and others. Knowing how a network of water pipes can function with various electrical components is undoubtedly helpful. In this analogy, voltage stands in for water pressure, current for flow rate, and resistance for pipe size. Volts, amps, watts, ohms, and Ohm’s Law are all important fundamental elements of electricity. Ohm’s Law states that the voltage is equal to the current passing through a circuit times the circuit’s resistance. Volts are the fundamental unit for measuring voltage. The basic unit of electric current in the International System of Units is the ampere, abbreviated as “amp” or “A.” The list of Electrical Formulas for electrical calculations provided by Extramarks may be helpful for students.

Electric Field Formula

A region that has been formed by an electric charge around it is known as an electric field, and another charge can be used to examine the field’s effects. The formula for the Electric Field is provided by Extramarks.

Potential Difference Formula

The amount of work (W) performed by an external agent to move a unit charge (Q) from one location to another is referred to as the potential between two points (E) in an electrical circuit. The potential difference can be found with the help of Electrical Formulas.

Electric Power Formula

Electric power can be defined as the rate at which work is done. The SI unit for power is the watt, denoted by the letter P. The power formula links the time, voltage, and charge together. The formula can be modified using Ohm’s law. Electricity is calculated by Electrical Formulas.

Electric Potential Formula

The two factors that give an object its electric potential energy are the charge it carries and its position in relation to other electrically charged things. Electric potential energy is the energy that an object gains when it moves against an electric field. Calculating the electric potential involves dividing the potential energy by the total amount of charges.

Electric Flux Formula

The total number of electric field lines traversing a specific area over a specific amount of time is known as the electric flux. The formula for electric flux is given in the Electrical Formulas.

Electric Current Formula

The continuous flow of electrons in an electric circuit is known as an electric current. Electrons move when a potential difference is introduced across a wire or terminal. Electric current is the frequency at which an electric charge changes within a circuit. The voltage and resistance of the circuit are matched by this current. Its SI unit is the ampere, and its sign is I. Electric current is correlated with both time and electric charge. The two types of current are direct current (DC) and alternating current (AC). The direct current causes electrons to move in a single direction. Batteries create direct currents. Alternating current has a bidirectional flow of electrons.

Electric Charge Formula

Subatomic particles have an electric charge that, when exposed to an electromagnetic field, causes them to feel a force. The coulomb, denoted by the letter Q, is the S.I. unit of electric charge. The formula for electric charge is provided by the Electrical Formulas.

Solved Examples

Solved examples of the Electrical Formulas are available on the Extramarks website and mobile application for practice.

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FAQs (Frequently Asked Questions)

1. Where to find questions on the Electrical Formulas?

Students can find questions along with their solutions about the Electrical Formulas on the Extramarks website as well as the mobile application.

2. What are the most commonly used Electrical Formulas?

The Electrical Formulas for voltage, current, power, resistance, and other quantities are the most often used.