CUET Preparation Today
An a.c. circuit contains 4Ω resistance wire in series with an inductance coil of reactance 3Ω. The impedence of the circuit is: |
7 Ω 5 Ω 1 Ω 4/3 Ω |
5 Ω |
The correct answer is Option (2) → 5 Ω Impedance, $Z=\sqrt{R^2+{X_L}^2}$ $=\sqrt{4^2+3^2}$ $=5Ω$ |
