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Results tagged with resistors
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user 343562
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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vote
The LED is dead... Why?
How are you checking that IR Led is glowing? By pointing a smartphone camera at it?
IR means Infrared, and infrared light is not visible to human eye.
But, typical digital cameras will react to it (yo …
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