MCQ
The impedance of a series RL circuit with R = 3 Ω and XL = 4 Ω is:
Explanation
Z = √(R² + XL²) = √(9 + 16) = √25 = 5 Ω
Z = √(R² + XL²) = √(9 + 16) = √25 = 5 Ω