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Results tagged with resistors
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user 205422
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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voltage divider to drive bulb
I have some bulbs like this.
Which takes about 3.8V, 0.3A current. Now I wanted to drive 21 bulbs in parallel. But i have only 12V voltage source. So I decided to use a voltage divider . when I cal …
