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Parallel

A circuit configuration where multiple pathways allow current to flow, resulting in the same voltage across all components and the total current being the sum of the currents through each pathway.

Series

A configuration of a circuit that forms one large loop, similar to a queue.

Voltage

The electrical potential difference between two points in a circuit, which drives the flow of current and is measured in volts.

Ammeter

A device used to measure the electric current flowing through a circuit, typically expressed in amperes.

Ohms

The unit of measurement for electrical resistance, symbolized by the Greek letter 'Ω', which quantifies how much a material opposes the flow of electric current.

Resistance

The opposition that a substance offers to the flow of electric current, measured in ohms (Ω), determining how much current will flow for a given voltage across a component.