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Chapter 31 Electromagnetic Oscillations and Alternating Current In this chapter we will cover the following topics:
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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)