Current time:0:00Total duration:0:36

0 energy points

# Challenge solution

A four-cell battery generates 2 volts, but we need to generate 3 volts to light the blue LED. Created by Exploratorium.

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# Challenge solution

Current time:0:00Total duration:0:36

0 energy points

A four-cell battery generates 2 volts, but we need to generate 3 volts to light the blue LED. Created by Exploratorium.