Question

Any two devices that uses permanent magnets

Answer 1

electric bell , electric devices

Answer 2

Answer:

Permanent magnets simply refers to a special kind of magnet that can retain its "magnetic properties" even in the "absence" of the inducing field or current. We use many objects, machines and goods in our daily lives in which these magnets are used. Two such devices which use permanent magnets are:  

1. Motors.

2. Generators.

Some other objects form our daily life which has permanent magnets are speakers, headphones, hard disks, hybrid cars, electric cars, magnetic chess boards and so on.