Ac through capacitor| 2nd year physics | photon academy

Welcome to Lecture #6 of Alternating Current (Class 12 / FSc Part 2 Physics). In this video, we comprehensively cover "AC Through a Capacitor" tailored specifically for KPK Board and Federal Board (FBISE) examinations. 📌 Topics Covered in this Lecture: 00:00 - Behavior of a pure capacitor in an AC circuit 1:40 - (Continuous charging and discharging). 4:48 - Mathematical derivation for current and voltage equations 13:32 - Graph of current and voltage 14:50 - Phase Relationship: Proof of how current leads voltage by 90° ($\pi/2$ radians). 15:16 - Phasor diagram representation of voltage and current. 16:04 - verage Power in a capacitor circuit 17:42 - Power loss graph 20:21 - Capacitive Reactance , Definition, 25:00 - units, and frequency dependence. 🎯 Ideal For: 2nd Year / HSSC Part 2 Physics Students KPK Boards (Peshawar, Abbottabad, Mardan, Swat, Kohat, Bannu, D.I. Khan, Malakand) Federal Board (FBISE Islamabad) & ETEA Aspirants 🔔 Make sure to Subscribe and hit the notification bell for complete 12th-grade physics chapter lectures, derivations, and numerical solutions! #ACThroughCapacitor #Physics2ndYear #KPKBoardPhysics #AlternatingCurrent #FScPart2Physics #CapacitiveReactance #HSSC2Physics #BoardExamPreparation