CIRCUIT
LAB
series vs. parallel — why combining resistors doesn't just add them up
Series
Parallel
Series-Parallel
Battery voltage
12 V
R1
100 Ω
220 Ω
470 Ω
1 kΩ
R2
100 Ω
220 Ω
470 Ω
1 kΩ
R3
100 Ω
220 Ω
470 Ω
1 kΩ
Component
Voltage
Current
Power
Total Resistance
Total Current
Total Power