Ampr e Law Magnetic Field Inside ir Consider long str aight wire of adius The current is distr ib uted unif or mly er the cross section
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Ampr e Law Magnetic Field Inside ir Consider long str aight wire of adius The current is distr ib uted unif or mly er the cross section

Apply Ampre la to the circular loop of adius The symmetr dictates that the magnetic 64257eld is directed tangentially with magnitude depending on only Line integ al 2 action of current inside loop Magnetic 64257eld at adius increases linear ly with

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Ampr e Law Magnetic Field Inside ir Consider long str aight wire of adius The current is distr ib uted unif or mly er the cross section




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Presentation on theme: "Ampr e Law Magnetic Field Inside ir Consider long str aight wire of adius The current is distr ib uted unif or mly er the cross section"— Presentation transcript:


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Ampr e Law: Magnetic Field Inside ir Consider long, str aight wire of adius The current is distr ib uted unif or mly er the cross section. Apply Ampre la to the circular loop of adius The symmetr dictates that the magnetic field is directed tangentially with magnitude depending on only Line integ al: (2 action of current inside loop: Magnetic field at adius increases linear ly with from ero at the center Magnetic field at the per imeter tsl243 .1/1