Sources of Magnetic Fields
Calculus Based Section The Magnetic Field of Any Current Carrying Wire (The Biot-Savat Law)
A wire carrying a current I runs from the origin to the point (0, d ) , shown below. What is the strength of the magnetic field at the point (r, 0) ?
What is the magnitude and direction of the magnetic field at the center of a square wire with sides of length d and current I ?