Explaining a Sine Wave
 
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Lesson 49
Animated version of Figure L49 - 1

V+ is considered to move to one direction.


Animated version of Figure L49 - 2

V- is considered to move in the other direction.


Animated version of Figure L49 - 3

AC voltage changes direction in a cycle.

Animated version of Figure L49 - 4

Vibration in a string creates sound.


Animated version of Figure L49 - 5

This shows how energy is passed in AC voltage.  It moves, but doesn't change position, just like sound moving in the air.


Animated version of Figure L49 - 7

Refer back to figure L49 - 3. 
The motion is fastest in the middle, so it has the most energy.

Animated version of Figure L46 - 8 and L49 - 9

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