Answer:
1) The current through the solenoid should be direct current
2) The rod inside is made of a magnetic material such as steel
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.
Explanation:
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Answer:
1) The current through the solenoid should be direct current
2) The rod inside is made of a magnetic material such as steel
Verified 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.
Explanation:
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