Menu Close

What is the function of armature in electric bell?

What is the function of armature in electric bell?

to make and break the circuit.

What do we mean by the term armature?

1 : an organ or structure (such as teeth or thorns) for offense or defense. 2a : a piece of soft iron or steel that connects the poles of a magnet or of adjacent magnets.

Why soft iron armature is used in electric bell?

Hint: Soft iron acts as a magnetic core for the electromagnet in case of an electric bell. When current passes through it, it magnetizes and produces a strong magnetic field and also increases its strength.

What is electric bell short answer?

An electric bell is a mechanical or electronic bell that functions by means of an electromagnet. When an electric current is applied, it produces a repetitive buzzing, clanging or ringing sound.

What is an armature in engineering?

In electrical engineering, the armature is the winding (or set of windings) of an electric machine which carries alternating current. The armature can be on either the rotor (rotating part) or the stator (stationary part), depending on the type of electric machine.

Which of the following is used in electric bell?

An electric bell consists of one or more electromagnets, made of a coil of insulated wire around an iron bar, which attract an iron strip armature with a clapper.

How does the armature of an electric bell work?

An electric bell contains an electromagnet, consisting of coils of insulated wire wound round iron rods. When the push switch is depressed, the circuit is closed. Current passes through the electromagnet winding and the core becomes magnetized. The magnetized core attracts the iron armature which makes the striker hits the gong.

Which is the best definition of the word armature?

English Language Learners Definition of armature : the part of an electric motor or generator that produces an electric current when it turns in a magnetic field : a frame used by a sculptor to support a figure that is being modeled

What is the work of the armature core?

The work of the armature core is twofold. It acts as a portion of the magnetic circuit, conducting the lines of force, and by virtue of its high permeability or multiplying power concentrating a number of the lines of force through its own substance.

What makes up the circuit of an electric bell?

An electric bell consists of a gong, an electromagnet, a soft iron rod and a contact screw. When the switch is pushed on, the circuit is completed, and the current starts flowing through the U − shaped electromagnet creating a magnetic flux in the core. This in turn attracts the iron armature, moving the armature towards the electromagnet.