Q 12-07-018NEETJEE MainEasy
In a purely inductive ac circuit, the current
Answer: (A) lags the voltage by $\dfrac{\pi}{2}$
For an inductor, $V = L\dfrac{dI}{dt}$: the voltage peaks a quarter cycle before the current, so the current lags by $\dfrac{\pi}{2}$. (In a capacitor it leads.)
Solution by Sreeraj P, M.Sc Physics