Question

You are provided with iron filings and a bar magnet without labelling the poles of the magnet. Using this. 

1. How will you identify the poles of the magnet? 

2. Which part of the bar magnet attracts more iron filings? Why?

Answer 1

1. When we place the bar magnet in iron fillings large amount of iron fillings stick on the two ends of the bar magnet. These ends are poles of the magnet. 

2. Poles will attract more iron filings. Because poles have high magnetic strength.