| SERIES CIRCUITS - RESISTANCE | ||
Referring to the series circuit shown here, the current in a series circuit must flow through each lamp to complete the electrical path in the circuit. Each additional lamp offers added resistance. In a series circuit, THE TOTAL CIRCUIT RESISTANCE (RT) IS EQUAL TO THE SUM OF THE INDIVIDUAL RESISTANCES. As an equation: RT = R1 + R2 + R3+ . . . + Rn Note that the subscript “n” found at the end of the equation denotes that any number of additional resistances might be found in this series type of equation. |
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