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Results tagged with resistors
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user 140676
A resistor obeys Ohm's law (\$\small V=I\cdot R\$); the current through it is equal to the voltage across it divided by the resistance (equivalently \$I=\frac{V}{R}\$).
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DIY flashlight - USB plug [closed]
I want to do something like the first of the gadgets in this video:
https://www.youtube.com/watch?v=aEo_nJ3iUYI (0:07 - 1:00)
It's a flashlight connected to the micro USB port in my cell phone, but …
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