Question

Geetu wrapped a copper wire around an iron nail and then connected it to power supply. She then placed some metallic clips besides the iron nail. What are her observations likely to be
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Answer 1

Answer:

Here, her observation is that ,she can see that the iron fillings which were being placed were now being arranged into continuous closed circles and this effect is known as magnetism and,this property is known as electro magnetism, it can only be seen until the current is passing through the coil. No, current no magnetic passing