जॉइन Examsbookउत्तर : 2. "large susceptibility and small retentivity"
The core of an electromagnet is made of soft iron because soft iron has5
प्र: The core of an electromagnet is made of soft iron because soft iron has
- 1small susceptibility and small retentivityfalse
- 2large susceptibility and small retentivitytrue
- 3large density and large retentivityfalse
- 4small density and large retentivityfalse
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उत्तर : 2. "large susceptibility and small retentivity"
व्याख्या :
Answer: B) large susceptibility and small retentivity Explanation:

