59. The radius of the central conductor of the coaxial cable r1 = 0,30 cm and an inner shell radius r2 = 0,90 cm. Determine the electric field intensity E at a distance d = 0,50 cm from the axis of the cable, if the potential difference between the central core and sheath U = 1,0 kV.

Detailed solution. Decorated in Microsoft Word 2003. (Target decided to use formula editor)