Part of Electric - Electrical C & V

# Electrical C & V

electrical engineering information, basic electrical, electrical laws, machines, transformer, motors, types of motor, induction motor, dc motor, servo motor, synchronous motor, dynamo or generator, power system, transmission line, mcc, generation station, electronics, devices, diodes, sensors, circuit breaker, miniature circuit breaker, air circuit breaker, vaccum circuit breaker, sf6 circuit breaker, variable frequency drive

## 18 February 2020

Electric Current

The rate or amount of charge flow is called Electric Current i.e. Electric Current in other words. The continuous flow of electrons in a circuit or Electric Circuit is called Electric Current. Suppose in a circuit that the Q charge in the circuit is flowing for a period of time, then the current will be I. Then its formula is
Section I = Q / t
Current = Charge / Time

That is, the rate of charge flow is called Electric Current.
Here the charge i.e. charge is on the electrons, the current flows in the opposite direction in which the electrons are moving.

The S.I Unit of electric current is a unit Ampere with A and the current measuring from I is an Ammeter.

Electric Charge

Electric Charges are the physical property of matter, which causes it to experience force when placed in an electromagnetic field. There are usually two types of Electric Charges - Positive and Negative Charges, and which we also know as protons and electrons. We are also called like charges and unlike charges, like charges i.e. Positive Charges and unlike charges i.e. Negative Charges.

An object without a net charge is referred to as neutral. Early knowledge of the interaction of charged materials is now called classical electrodynamics and is still accurate for problems that do not need to consider quantum effects. Definition of Electric Charges

When a body exhibits two properties of Electric Charges like and unlike, then they attract and repel each other, it is called electric charge. Its unit is coulomb and is represented by "C". And charges are denoted by Q or q.

We can also call electric charges like and unlike charges i.e. attraction and repulsion between positive and negative charges. (The attraction and repulsion of like and unlike charges are called electric charge.)

The SI unit of Electric Charge is named after the French physicist Charles-Augustin De Coulomb. In electrical engineering, it is common to use ampere-hours (Ah). In physics and chemistry, it is common to use the primary charge (e as a unit). Chemistry also uses Faraday as a charge on one mole of electrons. The symbol Q often denotes charge.

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