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Electricity and magnetism grade 12 ye just have to explain only one of the following

Electricity and magnetism grade 12 ye just have to explain only one of the following-example-1
User Shafin Mahmud
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1 Answer

25 votes
25 votes

Doorbell:

The doorbell consists of an electromagnet.

The electromagnet is a coil wound on an iron core.

This electromagnet behaves like a magnet when electric current flows through the coil.

This electromagnet attracts the iron strip near it, causing the sound.

The diagram is shown below

Here, iron strip is attracted to the electromagnet.

Electricity and magnetism grade 12 ye just have to explain only one of the following-example-1
User Chatura
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