Question

Which magnet will you use ?
(a) Iron is to be separated from trash.
(b) You are lost in a forest.
(c) A window shutter opens and shuts continuously in the wind.

Answer 1

A. Iron is to be separated from trash----

A bar magnet is used to separate iron pieces from the trash.it is in the shape of a bar with poles at its end.
B. You are lost in a forest---------A magnetic compass is a most well- known instrument to find directions.
C. A window shutter opens and shuts continuously in the wind-------Shutter magnet.

Answer 2

1. Temporary magnet

2.compass

3.bar