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Dive into the world of electromagnetic oscillations, AC circuits, and power transmission. Learn about resonance in RCL circuits, transformers, and power calculations in AC circuits. Unveil the complexities of transmission lines and transformers at power stations.
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Chapter 31 Electromagnetic Oscillations and Alternating Current In this chapter we will cover the following topics: -Electromagnetic oscillations in an LC circuit -Alternating current (AC) circuits with capacitors -Resonance in RCL circuits -Power in AC circuits -Transformers, AC power transmission (31-1)
L C (31-2)
L C (31-3)
L C (31-4)
1 3 7 5 6 4 8 2 (31-5)
L C (31-9)
O (31-13)
O (31-15)
SUMMARY (31-17)
A B O (31-19)
A B O (31-20)
Transmission lines Erms=735 kV , Irms = 500 A Home Step-down transformer Step-up transformer 110 V T2 T1 R = 220Ω Power Station (31-24)