1) U=50
A=72
t=?
I=2
A=UIt
t= A/UI
t= 72/50*2
t= 0,72
2) R= 1,2
t= 2
q=500
Q=?
Q=I²Rt
Q= √q/t *Rt
Q=500/2*1,2*2
Q= 600
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Answers & Comments
1) U=50
A=72
t=?
I=2
A=UIt
t= A/UI
t= 72/50*2
t= 0,72
2) R= 1,2
t= 2
q=500
Q=?
Q=I²Rt
Q= √q/t *Rt
Q=500/2*1,2*2
Q= 600