1. 9.1 Series and Parallel Circuits
Series Circuits
Only a single pathway for current to flow
Total voltage = sum of the voltages lost on the loads
VT = V1 + V2 + V3…
(c) McGraw Hill Ryerson 2007
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2. (c) McGraw Hill Ryerson 2007
Current measured anywhere along a series circuit will be the same
(c) McGraw Hill Ryerson 2007

3. Parallel Circuits
Multiple pathways for current to flow
Adding more pathways lowers resistance
Voltage remains the same through each pathway of the parallel circuit

4. Current splits up between the different current pathways
Take the Section 9.1 Quiz