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Why is Soft Iron Used as the Core of the Electromagnet in an Electric Bell? - Physics

Short Note

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

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Solution

The soft iron bar acquires the magnetic properties only when an electric current flows through the solenoid and loses the magnetic properties as the current is switched off. Hence, soft iron is used as the core of the electromagnet in an electric bell.

Concept: Uses of Electromagnet
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APPEARS IN

Selina Concise Physics Class 9 ICSE
Chapter 10 Magnetism
Exercise 10 (B) | Q 12 | Page 212
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