49. In an X-ray tube, an electron beam with a current density of 0.3 A / mm2 hits the anticathode end face, beveled at a 30 ° angle, with an area of 10-4 m2 Assuming that the anticathode is located along the axis of the beam, determine the current in it.

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