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Project 161 Current Controllers -
Series
Project 162 Current Controllers -
Parallel
Turn on either or both switches (S1 & S2) and
compare the white LED (D6) brightness.
This circuit has the 100Ω resistor (R1), the 5.1kΩ
resistor (R3), and the 100kΩ resistor (R5)
arranged in series. The switches are used to
bypass the larger resistors. The largest resistor
controls the brightness in this arrangement.
Turn on either or both switches (S1 & S2) and compare the white LED
(D6) brightness.
This circuit has the 100Ω resistor (R1), the 5.1kΩ resistor (R3), and the
100kΩ resistor (R5) arranged in parallel. The switches are used to
disconnect the smaller resistors. The smallest resistor controls the
brightness in this arrangement.
Resistors are used to control the
amount of current through a
circuit. Increasing the resistance
decreases the current.
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