Dane
t = 1min= 60s
R = 55Om
U = 110V
Szukane
Q = ?
I = ?
Wzory
[tex]R = \frac{U}{I} \\ I = \frac{U}{R} [/tex]
[tex]Q = U \times I \times t[/tex]
Obliczenia
[tex]I = \frac{110}{55} = 2A[/tex]
[tex]Q = 110V \times 2A \times 60s = 220 \times 60 = 13200J = 13,2kJ[/tex]
