Odpowiedź :
[tex]dane:\\U = 100 \ V\\I = 4 \ A\\szukane:\\R = ?\\\\R = \frac{U}{I}\\\\R = \frac{100 \ V}{4 \ A} = 25 \ \Omega[/tex]
[tex]dane:\\U = 100 \ V\\I = 4 \ A\\szukane:\\R = ?\\\\R = \frac{U}{I}\\\\R = \frac{100 \ V}{4 \ A} = 25 \ \Omega[/tex]