PHYSICS · Multi-part · CBSE · Physics · Magnetic Effects of Electric Current · Magnetic Effects of Electric Current
Problem
A student places a bar magnet on a sheet of paper, sprinkles some iron filings around it and gently taps the paper. Answer the following questions related to this activity.
(i) Define magnetic field lines.
(ii) State any three characteristic properties of magnetic field lines observed in this experiment.
(iii) Draw a neat, labelled sketch of the magnetic field pattern of the bar magnet, showing the North and South poles explicitly.