1.

(a) What is an electromagnet? Draw a labelled diagram to show the making of a simple electromagnet.​(b) State three factors on which the strength of an electromagnet depends. How does the strength of electromagnet depend on these factors?

Answer» (a) What is an electromagnet? Draw a labelled diagram to show the making of a simple electromagnet.

​(b) State three factors on which the strength of an electromagnet depends. How does the strength of electromagnet depend on these factors?


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