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Principiu functionare creion de continuitate


coco243

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Am vazut la cinva un creion ( incercator ii spuneam eu ) de faza, mi l-a pus pe gat si s-a aprins :) Bun, mi-am dat seama ca verifica daca sunt impamantat ma gandesc :). Deci continuitatea. L-am luat si eu si m-am jucat cu el, pe toate metalele ce le atingeam cu el , se aprindea ledul, intrebare, cum se aprindea ledul? Din cauza ca eu am un potential mai mare decat pamantul? Bun, creioanele de tensiune normale, antice si de demult de ce nu se comporta la fel?

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