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DIY How to Connect A Battery And Led Lights With an On-Off Switch | Science Project for Beginners - YouTube
![We want to power an LED with a 9V battery so that the current through some ice is 20mA (see figure). How much resistance is needed to connect in series with the We want to power an LED with a 9V battery so that the current through some ice is 20mA (see figure). How much resistance is needed to connect in series with the](https://homework.study.com/cimages/multimages/16/capture1905168303652472767.jpg)
We want to power an LED with a 9V battery so that the current through some ice is 20mA (see figure). How much resistance is needed to connect in series with the
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How to Connect Multiple LED's with 9V Battery | Led light in series connection | Science experiments, Connection, High school
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How to Connect Multiple LED's with 9V Battery, Switch in Series Connection | Simple Electric Circuit - YouTube
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