Question

draw and explain with help of circuit diagram how a soft iron piece can transform into electromagnet

Answer 1

the iron attches to an electricity it bheaves like magnet an when electricity stops it reacts as normal magnet

Answer 2

A insulated copper wire is wind around the soft iron core. Generally the number of turns are a few hundreds. Then a voltage is applied across the coil. The soft iron immediately turns into an electromagnet.

hope it helps u! !!