Question

Hello friends help me

12) Why is a soft iron used as the core of the Electromagnet in an electric bell?
13) how is the work of an electric bell affected if alternative current be used instead of direct current ?

14) name the material used for making the armature of an electric bell. give reason for your answer.

Please help me it's urgent and who ever does this all question I will mark that answer as an brainlist answer

Answer 1

12) When switch is made on of electric bell current flowing through wire can not produce very strong magnetic field if core is not used. The soft iron core of the electromagnet makes the magnetic field stronger.

Answer 2

12) When switch is made on of electric bell current flowing through wire can not produce very strong magnetic field if core is not used. The soft iron core of the electromagnetmakes the magnetic field stronger.

13) AC keeps on changing the polarity of the current and direction. While D.C could not be

14) Soft iron because it can be magnetized and dagmagnetized very easily

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