The resistance in a series circuit is equal to what?

In a series circuit, the total resistance is determined by summing the individual resistances of all components connected in the circuit. This is a fundamental principle of electrical circuits, where resistors in series do not share voltage; instead, the total voltage across the series combination is the sum of the voltages across each resistor. Consequently, the total resistance increases with each additional resistor added to the circuit, which directly affects the overall current flowing through the circuit according to Ohm's Law.

This principle is crucial for analyzing and designing electrical circuits since it dictates how resistors will behave collectively rather than individually. The resistance in a series circuit provides a comprehensive understanding of how the circuit will perform, helping technicians and engineers make informed decisions regarding circuit design and troubleshooting.