Odpowiedzi

2013-07-03T13:22:15+02:00

 

R = 880Ω

U = 220V

t = 1h = 3600s

 

Z prawa Ohma

 

R = U/I => I = U/R

 

I = 220V/880Ω = 0,25A

 

I = q/t => q = It

 

q = 0,25A x 3600s = 900C

 

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