A set of jumpers cables used to start a car from another car's batterty is connected to the terminals of both batteries. If 15A of current exists in the cables during the starting procedure and the cables are in pareellel and 15cm apart,
(a) do the wires repel or attract? Explain.
(b) What is the magnetic field stregth that each wire produces at the location of the other?
(c) What is the force per unit length on the cables? Include an explanation of wether the wires repel or attract one another.