Under What Conditions A Permanent Electromagnet Is Obtained If A Current Carrying Solenoid Is Used.
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The following conditions are required to obtain permanent electromagnet when a current carrying solenoid is used: 1. Rod inside the solenoid should be made of magnetic material like steel which should retain magnetic properties for a long time after magnetization ...........
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The following conditions are required to obtain permanent electromagnet when a current carrying solenoid is used: 1. Rod inside the solenoid should be made of magnetic material like steel which should retain magnetic properties for a long time after magnetization
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