Question

Name the material used for making the armature of an electric bell. Give a reason for your answer.

Magnetism ICSE Class 9

April 3, 2024

Answer

Soft iron is used for making the armature of an electric bell because it acquires magnetic properties only when an electric current flows through the solenoid and loses the magnetic properties as soon as the current is switched off.

Was this answer helpful?

Didn't liked the above answer ?

Text Generation Tool

💡 Some Related Questions

Show with the aid of a diagram how a wire is wound on a U-shaped piece of soft iron in order to make it an electromagnet. Complete the circuit diagram and label the poles of the electromagnet.

Open Answer »

State two differences between an electromagnet and a permanent magnet.

Open Answer »

You are required to make an electromagnet from a soft iron bar by using a cell, an insulated coil of copper wire and a switch. (a) Draw a circuit diagram to represent the process. (b) Label the poles of the electromagnet.

Open Answer »

How is an electromagnet made? Name two factors on which the strength of the magnetic field of an electromagnet depends.

Open Answer »

How is the working of an electric bell affected, if alternating current is used instead of direct current?

Open Answer »

State two advantages of an electromagnet over a permanent magnet.

Open Answer »

State two ways through which the strength of an electromagnet can be increased.

Open Answer »

Figure shows a coil wound around a soft iron bar XY. (a) State the polarity at the end X and Y as the switch is pressed. (b) Suggest one way of increasing the strength of the electromagnet so formed.

Open Answer »

What is an electromagnet?

Open Answer »

Why is soft iron used as the core of the electromagnet in an electric bell?

Open Answer »

Question

Name the material used for making the armature of an electric bell. Give a reason for your answer.

Answer

Didn't liked the above answer ?

💡 Some Related Questions

Add Flash Education to your Homescreen!