Electromagnetic Force ME350 A wire carrying current in a magnetic field. D F=ilB (1 wire length) Note:a dot will represent a current out of the page and a cross(x)will represent a current into the page. 99 ME 350 Electromagnetic Force • A wire carrying current in a magnetic field. B i F = ilB ( l = wire length) Note: a dot will represent a current out of the page and a cross( ×) will represent a current into the page