Referring to the diagram above, predict what will happen when the switch is closed. explain your answer.

Answer

The nail will become an electromagnet.

Explanation

When the switched is closed , a current will flow in the insulated wire. Then the current flows through the coil around the iron nail, it will induce am magnetic filed inside the nail.  The nail becomes a magnet because it is made of magnetic material.  As long as there is current flowing through the current, there nail will remain a magnet.

scientific laws are the result of testing theories and proving them to be facts.

if they have a finite resultant