U1=4 B I1=2 A U2=3 B I2=3 A E=?
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E=U1+I1*r=U2+I2*r
r=(U1-U2)/(I2-I1)=(4-3)/(3-2)=1 Ом
E=4+2*1=6 B
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U1=4 B I1=2 A U2=3 B I2=3 A E=?
===
E=U1+I1*r=U2+I2*r
r=(U1-U2)/(I2-I1)=(4-3)/(3-2)=1 Ом
E=4+2*1=6 B
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