How can a soft iron piece be transformed into an electromagnet? Draw an illustrative circuit diagram.

(a) Draw a circuit diagram to show how a soft iron piece can be transformed into an electromagnet. (b) Describe how an electromagnet could be used to separate copper from iron in a scrap yard.

What is an electromagnet ? State the principle on which it works. Draw a circuit diagram to show how a soft iron piece can be transformed into an electromagnet . Write uses of electromagnet.

Why soft iron core is used to make electromagnets ?

Show with the aid of a diagram how a wire is wound on a U-shaped piece of soft iron in order to make it an electromagnet. Complete the circuit diagram and label the poles of the electromagnet.

Soft iron is used for making electromagnet because it

Soft iron is used for making electromagnet because it

Soft iron is used for making electromagnet because it