tsl242 - Ampre's Law Magnetic Field Inside a Toroid Apply...

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Unformatted text preview: Ampre's Law: Magnetic Field Inside a Toroid Apply Ampre's law, I B d = 0 IC , to the circular Amperian loop shown. Magnetic field inside: directed tangentially with magnitude depending on R only. Magnetic field outside: negligibly weak. Number of turns: N . Total current through Amperian loop: IC = N I (I is the current in the wire). Ampre's law applied to circular loop: B(2R) = 0 N I. Magnetic field inside: B = 0 N I . 2R tsl242 p.1/1 ...
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This note was uploaded on 04/30/2008 for the course PHYS 204 taught by Professor Andrevantonder during the Spring '07 term at Rhode Island.

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