1. Lecture 11 Electromagnetic Oscillations and Alternating Current Chp. 31
Warm-up problem
Topics
Transformers
LC Circuit Qualitatively
Electrical and Magnetic energy oscillations
Alternating current
Pure R and L circuits
Series RLC circuit
Power and Transformers
Demos

2. Where w is the rotational angular frequency of the generator
Coil of wire
Axis of rotation  B
Where w is the rotational angular
frequency of the generator
w= 2pf and f= 60 Hz

19. Driven RLC Series Circuit

28. Demonstration
1.0 uF
4.25 mH

29. Series LCR circuit

31. Peak value
Effective Power
rms=root-mean-square