Current Simple Definition
Current definition is occurring in or existing at the present time.
Current simple definition. One ampere of current is defined as one coulomb of electrical charge moving past a unique point in a second. The relationship between resistance current and voltage another part of the circuit is shown by ohm s law. Electric current is widely used in household and industrial. Current density can also be expressed in amperes per circular mil.
The current account deficit is a measurement of a country s trade where the value of the goods and services it imports exceeds the value of the products it exports. How to use current in a sentence. If an internal link. When current is flowing in a wire circuit it accelerates when there is no resistance in the circuit.
The current ratio is a liquidity ratio that measures a company s ability to cover its short term obligations with its current assets. In general the greater the current in a conductor the higher the current density. In this activity you will check your knowledge regarding the definition unit and types of electric current presented in the lesson. This disambiguation page lists articles associated with the title current.
Current is a quantity meaning it is the same number regardless of the direction of the flow without a positive or negative number. The si unit for measuring electric current is the ampere a. Resistors are used to increase resistance in the circuit so it slows down the current. Synonym discussion of current.
832 electric charge is carried by charged particles so an electric current is a flow of charged particles the moving particles are called charge carriers which may be one of several types of. It is expressed in amperes per square meter amperes per square centimeter or amperes per square millimeter. Current per unit cross sectional area is known as current density. Directions determine whether the following statements are.
However in circuit analysis the direction of current is relevant. 614 an electric current is said to exist when there is a net flow of electric charge through a region. Units and notation for electrical current. Current is the flow of electrical charge carriers like electrons.
The simple english wiktionary has a definition for. Current flows from negative to positive points. Current fluid ocean current.