Q 12-07-113JEE MainJEE Main 2021 (31 Aug, Shift 1)Easy
In an ac circuit, an inductor, a capacitor and a resistor are connected in series with $X_L = R = X_C$. Impedance of this circuit is:
Answer: (B) $R$
$$Z = \sqrt{R^2 + (X_L - X_C)^2} = \sqrt{R^2 + 0} = R$$
Solution by Sreeraj P, M.Sc Physics