1. Plot: The sequence of events that form the structure of the story.
2. Characters: The individuals or entities who drive the story forward.
3. Setting: The time and place where the story occurs, providing context.
4. Theme: The central idea or message conveyed through the story.

Draw the pattern of the magnetic field lines for the two parallel straight conductors carrying current of same magnitude 'I' in opposite directions as shown. Show the direction of magnetic field at a point O which is equidistant from the two conductors. (Consider that the conductors are inserted normal to the plane of a rectangular cardboard.)