Exercitiul 3, va rog! De preferabil, cu explicatii.
![Exercitiul 3 Va Rog De Preferabil Cu Explicatii class=](https://ro-static.z-dn.net/files/dbd/4f2b7f30f5bf6d66489e195926ea1fe1.jpg)
ρ1=R1•S1/l1
ρ2=R2•S2/l2
S1=S2=S
R1=R2=R
ρ1=R•S/l1
ρ2=R•S/l2
________":"
ρ1/ρ2=1/l1/1/l2=>ρ1/ρ2=l2/l1=>ρ1l1=ρ2l2
Deci a si c sunt corecte