Physics
Physics, 19.04.2021 14:00, adamgala3885

Un fierbător electric cu rezistenţa de 150Ω este conectat la o sursă de curent electric cu t. e.m. de 120V şi rezistenţa interioară de 2Ω.
a) Ce cantitate de căldură se va degaja în 10 min? 3p
b) Câtă apă poate fi încălzită cu 200C în 10 min? (c=4200J/kg0C)

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Answers: 3

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Un fierbător electric cu rezistenţa de 150Ω este conectat la o sursă de curent electric cu t. e.m....

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