Two long parallel wires each carrying currents of 3.30 A in opposite directions are separated by 4.00 mm. Determine the force per unit length experienced by each wire and indicate whether it is a force of attraction or repulsion.
A 2.0m wire carries a current of 15A directed along the positive x-axis in a region of space where the magnetic field is uniform and is given by B = (30i-40j)mT. What is the resulting magnetic force on the wire?
