Project 18
Parallel Swapping
Build the main circuit and set the meter (M5) on the 5V setting.
Turn on the slide switch (S1); the lamp (L4) lights and the meter
(M5) measures the voltage from the batteries (B3).
Part B: move the meter so it’s across location “B” and then location
“C”. Measure the voltage at each location, is it the same?
Part C: swap the locations of the meter and lamp. Does the meter
still measure the same voltage?
This circuit shows that rearranging parts that are
connected in parallel does not change the circuit,
because the meter measured the same voltage
for each arrangement.
5V
Part B
Part C
B
C
Give some examples of parallel circuits in your home.
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