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f-alpha.net » Electronics » Optoelectronics » Light-Emitting Diode (LED) » Let's go... » Experiment 4 - Parallel Circuit

Experiment 4 - LEDs in a Parallel Circuit

Build the circuit shown in which three LEDs light up.

Three LEDs in parallel circuit. (Enlarge)

Circuit diagram three LEDs in parallel.

The LEDs are arranged in a parallel circuit. Each LED requires a resistor in order not to be destroyed.

Consequently, through each LED flows a current of LED of 15 mA, i.e. a total current of 45 mA! The current and hence the energy consumed is three times as big as with a single LED.

Can you connect the LED's smarter?

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