Recent content by nobunaga

I believe that " A " is missing A = the cross sectional area in metres squared

Homework Statement A 400 turn coil wound over a length of 30mm has a core GO steel and has a current of 500mA flowing through it. Find the density of the flux produced. Homework Equations N=400, I=0.05, l=0.03 F= IN ; Φ=F/Rm ; B=Φ/A ; Rm= The Attempt at a Solution F=20 At