Q. In a circuit containing an inductance of zero resistance, the $e$.m.f. of the applied ac voltage leads the current by
A) 90${^\circ}$
B) 45${^\circ}$
C) 30${^\circ}$
D) 0${^\circ}$
Explanation
(a) In a pure inductor (zero resistance), voltage leads the current by $90{^\circ}$ $i.e.,\ \pi/2$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.