Magnetism

which one of the following materials is a magnetic materials ?

•       Iron                            

   

•       wood

        

   

•      

       plastic                     

•       Aluminum

   

what is name of magnate in the figure shown below

•   Temporary magnets                      

•                    electromagnet

•  Permanent magnets                   

•                      armature

The basic law of magnetism states that like poles …………. each other.

• Attract

•  not moving

• Repel

• Attract then repel

Magnetic field leaves the magnet from

• North to south                                 

   

• south to North

   

• North to west

                                   

   

•                                    North to East

   

which of the following is a type of magnate

• permanent

• iron

• copper

• nickel

What will happen to “unlike poles” if placed near each other

• Attract

   

• Repel

   

• Nothing

   

• Broken

   

what is name of magnate in the figure shown below ?

• Temporary magnets                      

•      electromagnet

•   Permanent magnets                     

•    armature

what is name of magnate in the figure shown below?

• Temporary magnets                     

•                   electromagnet

•   Permanent magnets                  

•                 armature