Timeline for Does a magnetic field do work on a moving rod?
Current License: CC BY-SA 3.0
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| Jan 18, 2015 at 4:27 | comment | added | Timaeus | @user3182445 Before Faraday's Law, we already knew that moving a wire in a magnetic field can cause a current (just carefully compute the EMF due to the magnetic force dotted with the direction of the circuit element, which is different than the direction of the velocity). Faraday's Law simply generalizes this result to say that it didn't matter why the magnetic flux changed, just that it changed. | |
| Dec 9, 2014 at 5:42 | comment | added | DLV | The displacement is not in the direction of $F_m$. There is a changing magnetic flux since the function for flux in this case is $\Phi=BLvt$ whose derivative is clearly not zero. | |
| Dec 9, 2014 at 5:37 | history | answered | user3182445 | CC BY-SA 3.0 |