Question

Statement —I: Electromagnets are made of soft iron. 
Statement —II: Soft iron has lower permeability and high retentivity. 
Choose the correct option related to statements.

• A. Statement — I is true but Statement — II is false
• B. Statement — I is false but Statement — II is true
• C. Statement — I is false and Statement — II is also false
• D. Statement —I is true and Statement —II is also true

Answer 1

The Correct Option is B

Soft iron is used in electromagnets due to its high permeability, which allows magnetic lines of force to pass through it easily, and its low retentivity, which ensures it does not retain significant magnetism when the external field is removed. 
Hence: Assertion \( A \) is correct because soft iron is the material of choice for electromagnets. 
Reason \( R \) is correct because the properties of high permeability and low retentivity make soft iron ideal for electromagnets. Furthermore, \( R \) correctly explains \( A \). 
Final Answer: Both statements are correct, and \( R \) is the correct explanation of \( A \): \[ \boxed{\text{(2) Both \( A \) and \( R \) are correct and \( R \) is the correct explanation of \( A \)}}. \]