Qulqulka korontada ee elektromagnetic-ka

The more turns of wire in the coil of an electromagnet, the stronger its magnetic field. The greater the current through the coil of an electromagnet, the stronger its magnetic field. The more closely spaced the coils of wire of an electromagnet, the stronger its magnetic field. An electromagnet made from bare wire will not work if adjacent turns are touching. A soft iron core increases the strength of an electromagnet because it becomes magnetised when it is turned on.