Circuit Components

Flashcards about circuits

Series Connection

Components connected in the same loop.

Parallel Connection

Components connected in adjacent loops.

Potential Difference in Series

In a series circuit, the total potential difference is shared between each component.

Potential Difference in Parallel

In a parallel circuit, the potential difference across each component is the same.

Combined Resistance in Parallel

The total resistance is less than the smallest of the two individual resistances.

Total Resistance in Series

The total combined resistance is equal to the sum of the two individual resistances.

Current in a Series Circuit

The current is the same at all positions since the charge only has one path to flow through.

Current in a Parallel Circuit

The current is shared between the different branches, and when the charge reaches a junction it splits.

Ammeter Connection

Ammeters should be connected in series with the component that they are measuring current through.

Voltmeter Connection

Voltmeters should be connected in parallel to the component that they are measuring the potential difference of.

Advantage of Parallel Lamps

If one lamp blows, the rest will be unaffected and can still receive current (i.e. the circuit is still complete).