Together With Science

Book: Together With Science

Chapter: 13. Magnetic Effects of Electric Current

Subject: Physics - Class 10th

Q. No. 6 of Assess Yourself

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6

Core of an electromagnet must be of soft iron but not steel. Justify it.

The soft iron inside the coil makes the magnetic field

Stronger because it becomes a magnet itself when the current is flowing. That is, Soft iron is said to form a temporary magnet. In this way, the electromagnet can be switched on and off by turning the electricity on and off.


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