It depends on the size of the bar.
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The weight of an iron bar can vary depending on its dimensions and density. However, a common estimate for a standard iron bar is around 7.85 kg per meter in length for a bar with a diameter of 25 mm.
1 bar is approximately equal to 1 kilogram.
You can differentiate between a bar of iron and a bar of copper by testing their magnetic properties - iron is attracted to magnets, while copper is not. A bar magnet will attract small iron objects, while a bar of copper will not be attracted.
An electromagnet is made by wrapping many coils of copper wire round an iron bar. When electricity is send along the coiled wires, the iron bar becomes magnetised until the electricity is switched off.
what is iron rate per kilo
A coil with an iron core and a movable iron bar constitutes an electromagnet. When an electric current flows through the coil, it generates a magnetic field that attracts the iron bar, causing it to move. This device is commonly used in various applications such as in electric motors and doorbells.