Where do the manufacturers usa a magnetic strip in the refrigerator ? Why is this magnetic strip used ?

Where is bimetallic strip used?

A bimetallic strip is used in:

Bimetal strips are used for

Bimetal strips are used for

How could we use the principle of electromagnetic induction in the case of using ATM card when its magnetic strip is swiped through a scanner? Discuss with your friends or teachers.

What is a bimetallic strip? Where is it used?

How is bimetallic strip used in fire alarm?

Ammonia is used as refrigerant. Why?

What is the name of the metallic strip shown alongside? Where is it used? Why does the strip bend to one side when heated and to the opposite side when cooled?