Amperes Law Gausss Law The Idea The total flux of field lines - - PDF document

ampere s law gauss s law the idea
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Amperes Law Gausss Law The Idea The total flux of field lines - - PDF document

Amperes Law Gausss Law The Idea The total flux of field lines penetrating any of these surfaces is the same and depends only on the amount of charge inside Amperes Law: The Idea In order to have a B field around a loop,


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SLIDE 1

Ampere’s Law

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SLIDE 2

Gauss’s Law – The Idea

The total “flux” of field lines penetrating any of these surfaces is the same and depends only

  • n the amount of charge inside
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SLIDE 3

Ampere’s Law: The Idea

In order to have a B field around a loop, there must be current punching through the loop

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SLIDE 4

Ampere’s Law: The Equation

The line integral is around any closed contour bounding an open surface S . Ienc is current through S:

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SLIDE 5

Ampere’s Law: The Equation

The line integral is around any closed contour bounding an open surface S . Ienc is current through S:

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SLIDE 6

Example: Wire of Radius R

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SLIDE 7

Example: Wire of Radius R

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SLIDE 8

Example: Wire of Radius R

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SLIDE 9

Magnetic Field of Ideal Solenoid