Physics

AC Voltage Applied to a Series LCR Circuit

श्रृंखला LCR परिपथ पर प्रत्यावर्ती वोल्टेज का अनुप्रयोग

This Class 12 Physics topic from Chapter 7, Alternating Current, explains how an alternating voltage behaves when applied to a series LCR circuit containing a resistor, inductor, and capacitor. Students learn to relate the applied voltage to current through resistance, inductive reactance, and capacitive reactance; use phasor diagrams to understand phase differences; and determine impedance, current, and power factor. The topic also connects these ideas with resonance, when inductive and capacitive effects balance each other.