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“Class 12 Physics Notes – Alternating current Chapter (Short + Easy)”, Schemes and Mind Maps of Physics

Physics

Subject: Physics Class: 12 Chapter: Alternating current Type: Handwritten Notes Includes: Important formulas, diagrams, short explanations Best for: Quick revision & exam preparation Language: Simple and easy to understand “Helpful for board exams” “Covers all important concepts” “Time-saving revision notes”

Typology: Schemes and Mind Maps

2025/2026

Available from 04/07/2026

jaskaran-singh-57
jaskaran-singh-57 🇮🇳

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AC CIRCUITS a X),0= 90° RC Circuit In an ALTERNATING CURRENT A ntation of altern I =f, sin (ot 1 vol aye amplitude (peak yoltage), nt amplitude (pe © (angular frequency) = 2y and tk then inere For @; an factor? resonaat curve Q — en deerea: ~ Average over half-cycle:,, Root Me e of the effective current r calculations. ent (7) first increases. 8. While impedance Z Srst decteasesand ig ses. Ct wer are maximum for j= P. me | p= _ia fe PO ei 2 A@ = @) = @ is bandwidth of the cirenit. The quality factor of Bp, series LGR circuit gitensy resonant frequency 40 tbe band RVC sure of sharpness. = |x 100