Physics
Name the material used for making the armature of an electric bell. Give a reason for your answer.
Electro-Magnetism
37 Likes
Answer
The material used for making the armature of an electric bell is soft iron.
It is used as the core of the electromagnet in an electric bell because it has low retentivity and therefore, the bar remains magnetized so long as the electric current flows through the solenoid but it gets demagnetized as soon as the current is switched off.
Answered By
23 Likes
Related Questions
Why is soft iron used as the core of the electromagnet in an electric bell?
How is the working of an electric bell affected, if alternating current be used instead of direct current?
By using a compass needle describe how can you demonstrate that there is a magnetic field around a current carrying conductor.
Draw a diagram showing the direction of three magnetic field lines due to a straight wire carrying current. Also show the direction of current in the wire.