The phenomenon where electric charge continuously flows through a conductor, quantified by the amount of electric charge that passes through a given point in a unit of time, measured in amperes.
The movement of positive electric charge from a region of higher electric potential to a region of lower electric potential when there is a difference in voltage between two points in a conductor.
A measurable flow of electricity in a circuit, essential for the operation of electrical devices, which can be described in terms of both direct and alternating currents.
Example:
電流が流れる電線にコイルを近づけると、コイルにも電気が流れます。
A device used to measure the strength or intensity of electric current in a circuit, often utilizing magnetic or thermal properties to provide readings.
An instrument designed to quantify the flow of electric charge, commonly found in various scientific and industrial applications.
An electrical measuring tool that indicates the magnitude of current, essential for understanding electrical systems and ensuring safe operation.
A type of electrical current characterized by a voltage that is significantly higher than standard levels, often used in power transmission systems to minimize energy loss over long distances.
An electrical current that operates at elevated voltages, typically exceeding a certain threshold, which is utilized in industrial applications and for electrical equipment that requires greater energy delivery.
An electrical flow that involves a high level of tension, designed to efficiently transfer power in applications where large amounts of electricity need to be conveyed, especially in electrical grids.
A category of electric current that poses increased risks due to its elevated voltage levels, necessitating specialized safety measures and equipment during handling and maintenance.