I'm sorry to post two questions in succession, this is another one on the same topic (I'm obviously having trouble with this whole concept for some reason...)
Homework Statement
Three long parallel wires are 3.8 cm from one another. (Looking along them, they are at three corners of an...
Homework Statement
Two long thin parallel wires 13.0 cm apart carry 25 A currents in the same direction. Determine the magnetic field at point P, 12.0 cm from one wire and 5.0 cm from the other.
(Sorry I don't have a diagram, but this is essentially a triangle, with sides of 13 cm, 12...