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In the set up in Figure 17 the metal rod is made up of steel and iron pieces joined end to end. You are provided with two iron nails.

      

In the set up in Figure 17 the metal rod is made up of steel and iron pieces joined end to end. You are provided with two iron nails.
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Explain how you would use two nails provided to determine which side is iron

  

Answers


John
When the switch is closed the nails are attracted on both sides. When the switch is opened, the nail on the iron end drops faster. The end from which the nail falls sooner is iron
johnmulu answered the question on April 18, 2017 at 09:18


Next: Figure 7 shows how magnets are stored in pairs with keepers at the ends
Previous: Figure 2 shows a horse – shoe magnet whose poles are labeled and two other magnets near it. Iron nails are attracted to the lower ends of the magnets as shown.

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