Q:

What is electric current measured in?

A:

Quick Answer

Electric current is measured in amperes, commonly shortened to "amps." Electric current is the flow rate of charges in a circuit. Electric current is also represented as the ratio of the quantity of charge passing a given point in a circuit to the duration of time the charges were moving.

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Full Answer

Charges flow through a circuit at a constant rate, meaning that the electric current is the same at any point in the same circuit. Electric current is closely related to voltage, measured in volts, and resistance, measured in ohms. The mathematical equation of their relation states that current is equal to voltage divided by resistance.

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Related Questions

  • Q:

    What is faradic current?

    A:

    According to Hawkins International, "faradic current" is produced from an interrupted direct current and is derived from either rectified mains current or batteries. It can also be defined as current corresponding to the oxidation or reduction of a chemical species.

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  • Q:

    What are the units of current?

    A:

    The International System of Units has declared the ampere, or amp, the unit of electrical current. The symbol for ampere is "A." Electric current is defined as any type of flow of electricity or electrons through a medium.

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    What is eddy current?

    A:

    An eddy current is an electrical current induced in a piece of metal due to the relative motion of a nearby magnet. Any time a magnet passes a metallic object, its magnetic field induces an electric current, which swirls around near the surface of the metal like an eddy in a river. This electric current creates its own magnetic field, which opposes the motion of the magnet.

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  • Q:

    What is the difference between faradic and galvanic current?

    A:

    A faradic current is an alternating, asymmetric current that stimulates muscles throughout its nerve, according to the University of Buffalo. A galvanic current is a term mostly used in medicine meaning a direct current of steady flow.

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