Recent content by jasmine-

thank you so much. :)

I did not understand why velocity?;I have two éqations,the first:http://upload.wikimedia.org/math/7/4/6/7463d12e92a79b39f6b3ac7d44dfe1be.png the second: the one mentionned here http://fr.wikipedia.org/wiki/Force_de_Laplace i am sorry,I added links because I don't Know how to write those...

Each wire creats a magnetic field in a point M of the other wire,as the number of the points if infinite,how could we find the whole mahnetic field?

I actually did not develop any of the equations.all I have is the biot savart equation ,and laplace équation as they were,

Hi every one. Homework Statement in french,the problem says:"déterminer la force de laplace qui s'exerce entre deux fils de courants réctilignes,indéfinis,parraléles d'intensités I et I' de meme sens".maybe in english it means:"find the laplace force that is applied between two...

There is also a very good site about geometry:gogeometry.com .the site contains a big number of theoremes as exercises with many question in order to prove the theoreme,