Question

O baterie de
E= 1,5V
R= 4 ohm
U= 1 V
r? I? I scurt circuit =?
Putin ajutor ?

Answer 1

I=U/R => I=1/4 A => I=0.25A

I=E/R+r => r= E/I-R => r= 1,5/0.25 -4 => r=2 ohm

Isc = E/r = 1.5/2 => Isc= 0.75 A