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noblegas
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Homework Statement
Supopose you have two infinite straight line charges lambda, a distance apart , moving at a constant speed v. How great would v have to be in order for the magnetic attraction to balance the electrical repulsion ? Work out the actual number... Is this a reasonable sort of speed.Homework Equations
The Attempt at a Solution
F_mag= I (dl x B)=(lambda*v)(lambda*v)*dl/(2*pi*d)
F_elec=(q_1*q_2/r^2)*(1/4*pi*epilison_0)
Since the problem says that the magnetic attraction balances out the electrical repulsion, does that mean F_mag = F_elec?