Alternating Current

Match List - I with List - II List - I List - II (a) Phase difference between current and voltage in a purely resistive AC circuit (i) ${\pi \over 2}$; current leads voltage (b) Phase difference between current and voltage in a pure inductive AC circuit (ii) zero (c) Phase difference between current and voltage in a pure capacitive AC circuit (iii) ${\pi \over 2}$; current lags voltage (d) Phase difference between current and voltage in an LCR series circuit (iv) ${\tan ^{ - 1}}\left( {{{{X_C} - {X_L}} \over R}} \right)$ Choose the most appropriate answer from the options given below :