Jakie napięcie panuje między końcami przewodnika jeśli w czasie 1min pod wpływem 120J o natężeniu 0,2 A
1min=60s
W=UIt
U=W/It
U=120J/60s*0,2A
U=10V
1 min = 60 s
Q = I * t
Q = 0,2 A * 60 s = 12 C
U = W / Q
U = 120 J / 12 C = 10 V
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1min=60s
W=UIt
U=W/It
U=120J/60s*0,2A
U=10V
1 min = 60 s
Q = I * t
Q = 0,2 A * 60 s = 12 C
U = W / Q
U = 120 J / 12 C = 10 V