Fizică, întrebare adresată de alinutaandrei, 9 ani în urmă

de ce crezi ca deasupra unui troleibuz sunt doua cabluri, iar deasupra unui tramvai este doar unu??

Răspunsuri la întrebare

Răspuns de ChocolateMan
138
Deoarece troleibuzul isi ia si sarcina electrica pozitiva si cea negativa din cablurile de sus , iar tramvaiul isi ia sarcina electrica pozitiva de sus , iar cea negativa de pe sine , tramvaiul mergan cu roti de fier.


ChocolateMan: mergand* , scuze.
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