Led Clip

Led Clip
Can anyone answer these questions about a paper clip and a pencil.?

A paper clip and pencil "lead" is connected to the terminal of a battery of 9.0 V. That is latest? Why is bigger factor? Use your measurements of resistance and Ohm's Law to calculate the current through the paper clip.



First you must measure the resistance R of the paper clip and pencil. Then: current = 9.0 V / R

Led Clip




Led Clip

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February 9th, 2009 in Camping | tags: , , , ,