Răspuns:
Explicație:
R1 = 10V / 2A = 5 Ohmi
R2 = 10V / 5A = 2 Ohmi
Rs = R1 + R2 => Rs = 7 Ohmi
1/Rp = 1/R1 + 1/R2 => 1/Rp = 1/2 + 1/5 = 5/10 + 1/5 = 6/10
=> Rp = 10/6 = 5/3 Ohmi
