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devil29
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Una stufa elettrica..........?

Ex n 31 pg 573 dell'HRW

Una stufa elettrica della potenza di 1250 W viene costruita per essere alimentata alla tensione di 220 V. (a) Quale sarà la corrente della stufa? (b) Qual'è la resistenza della spirale scaldante? (c) Quanta energia termica viene prodotta in 1.0 h dalla stufa?

Qlc1 è riuscito a risolverlo? a me nn escono i risultati del libro!

22-06-2006 09:21
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