mohon bantuannya kak :)

diket :
V = 4 v
I = 10 A
t = 10 s
dit : P & W ?
Jwb :
a # Daya
P = V . I
P = 4 . 10
P = 40 watt

b # Energi
W = P . t
W = 40 . 10
W = 400 joule