Your doorbell is malfunctioning, It will only strike the bell one time when the doorbell is pressed. How does the electromagnet play a role in the correct (or incorrect) function of your doorbell?

Electromagnet plays a very important role by creating a magnetic field which will in turn pull the armature towards it, thereby causing the hammer to strike the bell.

Explanation:

An electromagnet is simply a type of magnet where the magnetic field is produced with the help of an electric current.

In an electric bell, an electromagnet forms a very vital part alongside the armature, armature rod, spring, hammer and a gong.

Now, power that produces electric current in the electric bell is gotten when the switch for the bell is turned on.

However, hen the power that produces the electric current for the electromagnet stops, the magnetic field will stop being produced but when electric current is flowing through the coils, the electromagnet will create a magnetic field which will in turn pull the armature towards it, thereby causing the hammer to strike the bell.

2h2o2--> 2h2o + o2

this reaction is of the spontaneous decomposition of hydrogen peroxide down into water and oxygen.

add 2 molecules of hydrogen peroxide and 2 molecules of water. since oxygen is naturally diatomic, the total number of atoms of each element is now the same on both sides of the equation so it is balanced.

this may not be entirely correct but let me know.