In diagram 'ж', what is shown, and what does the '+' symbol and the arrow 'F' indicate?

Analysis of Diagram 'ж':

• Diagram 'ж' shows two rectangular objects, likely magnets, with a gap between them.
• A circular symbol with a '+' sign inside is positioned in the gap between these objects. As seen in previous diagrams, the '+' symbol indicates a current or charge directed into the page.
• An arrow labeled 'F' is shown pointing to the left from the circular symbol, representing a force vector.
• This diagram depicts a current (or charged particle) moving into the page, situated between two magnetic poles (implied by the rectangular shapes), and experiencing a force directed to the left.

Answer: Diagram 'ж' illustrates a current (or a positively charged particle) moving into the page, situated between two magnetic poles. The arrow 'F' indicates a force acting on this current, directed to the left.