Odpowiedź :
Dane
t = 10s
U = 230V
I = 80A
Szukane
W = ?
P = ?
Wzory
[tex]W = U \times I \times t[/tex]
[tex]P = \frac{W}{t} [/tex]
Obliczenia
[tex]W = 230 \times 80 \times 10 = 230 \times 800 = 184000J[/tex]
[tex]P = \frac{184000}{10} = 18400W[/tex]