Recent content by Angry Bear

  1. A

    High School Magnetic field strength dependent on distance from source

    The original answer 1/r^3 is unitless because it's a ratio. You can simply use ratios. If B1 = (a bunch of crazy symbols)/x^3 and B2 = (same bunch of crazy symbols)/y^3 then B1/B2 = y^3/x^3. So if you know x and y and you know B1 then you can find B2 with any units of x and y as long as...