Lesson Objectives
By the end of the lesson learners will be able to: Know and describe the free and forced electromagnetic oscillations; Describe the sources of electromagnetic oscillations.
1
Free EM Oscillations
Is an oscillation taking place in a zero resistance L-C Circuit without any external energy source.
2
Forced Oscillations
3
Electrical and Mechanical Oscillations - 1
4
Electrical and Mechanical Oscillations - 2
5
Electrical and Mechanical Oscillations - 3
6
Electrical and Mechanical Oscillations - 4
7
Electrical and Mechanical Oscillations - 5
8
KeySummary
9
10
11
12
13
14
https://en.wikipedia.org/wiki/File:Tuned_circuit_animation_3_300ms.gif
Resonant Frequency
15