Describe the construction and working on the electric hell whith the he with the help of diogrom
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An electric bell is constructed by the gong, a soft iron rod, an electromagnet and a contact screw. ... Hence, due to the flow of an electric current through the coils the rods become magnetic. The piece of an iron which is attached to the clapper attracts the rod. And when that clapper strikes the bell the bell rings.
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