The two primary types of Chikankari embroidery work are Jaali and Keel Kangan. Jaali involves open-work embroidery, while Keel Kangan is a type of floral design.
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.)