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प्रश्न
Fill in the blank
The strength of the magnetic field of an electromagnet is increased by inserting a core of soft ______
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उत्तर
The strength of magnetic field of an electromagnet is increased by inserting a core of soft iron.
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संबंधित प्रश्न
Write true or false for a given statement.
In an electromagnet, the core is made up of copper.
Write true or false for a given statement.
An electric bell uses an electromagnet.
Write true or false for a given statement.
An electromagnet with soft iron core is a temporary magnet.
Fill in the blank
An electromagnet is used to separate large mass of ______ scrap.
Select the correct alternative
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