Is this a song lyric? Some Buddhist koan? A "which came first" -type riddle ? ? ?
both are same havier
A iron bar is a conductor
The iron bar would become more magnetic.
A relay is made up of a coil with an iron core and a movable iron bar. The movable iron bar in a relay is called a switch.
The copper has a higher thermal expansion coefficient than the iron. The copper wants to get longer relative to the iron so the bar bends away from the iron strip. For example if iron is on top and copper on the bottom the bar bows downward. This seems opposite to your question conclusion
iron bar first
both are same havier
A cotton bag will take a few months to biodegrade/decompose.
A iron bar is a conductor
A iron bar is a conductor
A iron bar is a conductor
The iron bar would become more magnetic.
yes
plastic cotton
you have to mine iron ore then put it in a furnace and you will get an iron bar called an iron ingot.
Usually, cotton cloth is pressed with an iron.
A relay is made up of a coil with an iron core and a movable iron bar. The movable iron bar in a relay is called a switch.