Two long wires are oriented so that they are perpendicular to each other. Al their closest, they are 20.0 cm apart as indicated in the figure below.
![1438_Two Long Wires are Oriented.png](https://secure.tutorsglobe.com/CMSImages/1438_Two%20Long%20Wires%20are%20Oriented.png)
(a) What is the magnitude and direction of the magnetic field at location P due to I1?
(b) What is the magnitude and direction of the magnetic field at location P due to I2?
(c) What is the magnitude of the net magnetic field at location P?