Which of the following statements are true a Magnetic field

Last updated: 6/27/2023

Which of the following statements are true a Magnetic field is produced by moving electric charge b Magnetic poles are only mathematical assumptions having no real existence c A north pole is equivalent to a clockwise current and a south pole is equivalent to an anticlockwise curres d A bar magnet is equivalent to a long straight current carrying wire a b and c are correct a and b are correct b and d are correct a and c are correct