In a series circuit, how does the total resistance compare to individual resistance?

Study for the NCEA Level 2 Electricity Exam. Prepare with flashcards and multiple-choice questions; each question has hints and explanations. Get ready for your exam!

In a series circuit, the total resistance is calculated by summing up the resistance values of all the individual resistors connected in the circuit. This reflects the fact that in series configuration, the same current flows through each resistor, and therefore, each resistor contributes to the overall opposition to current flow. When resistors are placed in series, they effectively act as a single resistor whose resistance is the total of all the resistances combined.

This principle helps in understanding circuit behavior, as it allows one to predict how the total resistance will affect the current flowing through the circuit according to Ohm’s Law (V = IR). It’s essential to note that the total resistance cannot be lower than the resistance of individually connected resistors or remain constant since it inherently incorporates each resistor’s value in the calculation.

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