Question

Mark the polarity induced in iron bar A as shown in the figure.

Answer 1

Answer:

S N A bar magnet and a soft iron bar AB are placed close to each other as shown below. N S A B Mark the polarity of induced magnetism

Answer 2

Answer:

anation:

Lodestone is an ore of iron oxide (Fe3O4). This ore attracts small pieces of iron and it sets itself along a definite direction when it is suspended freely. It is a natural magnet which was used for the navigation by the mariners.