Question

 Draw a circuit diagram to show how a soft iron piece can be transformed into an electromagnet.

Answer 1

 A soft iron piece can be transformed into an electromagnet by winding an insulated wire around it and passing current through the wire. 

Answer 2

 A soft iron piece can be transformed into an electromagnet by winding an insulated wire around it and passing current through the wire. 

Answer 3

 A soft iron piece can be transformed into an electromagnet by winding an insulated wire around it and passing current through the wire. 

Answer 4

 A soft iron piece can be transformed into an electromagnet by winding an insulated wire around it and passing current through the wire.