What does Kirchoff's Voltage Law state for series circuits?

Kirchhoff's Voltage Law (KVL) states that the total voltage around a closed loop or circuit is equal to the sum of the voltage drops across each component within that loop. In the context of series circuits, where components are connected end-to-end, the sum of the individual voltage drops across each component will equal the total supply voltage provided by the source. This is because in a series configuration, the current is the same through each component, and each component presents a voltage drop in proportion to its resistance.

Thus, the relationship described in the correct answer highlights that the total voltage drop observed across all the components will precisely match the voltage from the power source, ensuring that all energy supplied is consumed by the resistive elements in the circuit. This principle is fundamental in circuit analysis and is key to understanding how energy is distributed in electrical circuits.