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What is parmanent electromagnet

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What is parmanent electromagnet

Posted by Karina Kumari 6 years, 9 months ago

CBSE > Class 10 > Science

1 answers

R_ Sandhu_ 6 years, 9 months ago

A permanent magnet is made from Steel and it cannot be really demagnetized an Electromagnet is a temporary strong magnet and is just a solenoid with its winding on a soft iron core

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CBSE > Class 10 > Science