Final answer:
In a series-parallel circuit, components connected in parallel have the same voltage across each of them. Varying currents can flow through these components independently, and the failure of one doesn't impact the others.
Step-by-step explanation:
In a series-parallel circuit, components that are connected in parallel will display the characteristic that each component has the same potential difference (or voltage) across it. Unlike a series connection where the current is the same through each component, in a parallel connection, the voltage across each component is equal, and the currents through each may vary. The total current through the parallel circuit is the sum of the individual currents through each parallel component. Therefore, if one component fails in a parallel circuit, the others can continue to function, which is a distinct advantage over series circuits where if one component fails, it affects the entire circuit.