1. Maintain eye contact to engage the audience.
2. Use a clear and confident tone to convey ideas effectively.
3. Practice active listening for responding to queries.
4. Use visual aids to enhance understanding and maintain interest.

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.)