(a) What is an electromagnet ? Describe the construction and working of an electromagnet with the help of a labelled diagram. (b) Explain why, an electromagnet is called a temporary magnet. (c ) Explain why, the core of an electromagnet should be of soft iron and not of steel. (d) State the factors on which the strength of an electromagnet depends. How does it depend on these factors ? (e) Write some of the important uses of electromagnets.

(a) What is an electromagnet ? Describe the construction and working o

1.	(a) What is an electromagnet ? Describe the construction and working of an electromagnet with the help of a labelled diagram. (b) Explain why, an electromagnet is called a temporary magnet. (c ) Explain why, the core of an electromagnet should be of soft iron and not of steel. (d) State the factors on which the strength of an electromagnet depends. How does it depend on these factors ? (e) Write some of the important uses of electromagnets.
Answer» ANSWER :N/a