A closed circuit consists of a steel spoon coiled with copper wire, when some allpins are brought near this spoon, the all pins get attracted due to:
1)Heating effect of current
2)Magnetic effect of current
3)All the above
4)None of these
give a reason for the answer
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Answers
Answered by
1
Answer:
Magnetic effect of electric current.
Explanation:
Answered by
1
Answer:
option 2 magnetic effect of current
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