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| 1. |
under what condition permanent Electromagnet is obtained if a current carrying solenoid is used support your answer with the help of a labelled circuit diagram |
| Answer» ANSWER: The conditions to obtain permanent electromagnet as FOLLOWING if a current carrying SOLENOID is used are (i) The current through the solenoid should be direct current. (ii) The ROD inside is MADE of a magnetic material such as steel. | |