NTNUJAVA Virtual Physics Laboratory
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Author Topic: twolinesBfield  (Read 5938 times)
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Fu-Kwun Hwang
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on: March 10, 2010, 11:00:32 pm » posted from:Taipei,T\'ai-pei,Taiwan

There is current flow I in the z direction (along z-axis) which will produce circular magnet field.

There is another current i along x direction initially (i<<I), the direction of thos current can be adjusted with slider.

The magnet force between current segment, i d\vec{\ell} in magnetic field \vec{B}=\frac{\mu_o I}{2\pi r}\hat{\theta} is d\vec{F}=i d \vec{\ell}\times \vec{B}

The direction of current is represented with red arrow. Gray arrows are magnetic field, Blue arrows are interaction force.

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