Question

in the given figure you found that bulb glows when and iron nail is placed between the two ends of wire what does it shows​

Answer 1

Answer:

As iron is metal and when it is placed in between the 2 ends of wire bulb glows as it allows electric current to flow through it. therefore iron nail is conductor and is also acting as a switch.

Explanation:

Answer 2

Answer:

Iron and metal ruler

Explanation:

Metal is a good conductor of electricity because the electrons are free to move in a network of metal atom. So because of the "Sea of Electrons", these electrons do not belong to just one atom but move freely about the metal's network which makes them great conductors of heat and electricity so iron is a metal conducting electricity.