Q: Which of the following is a type of magnetism that is not permanent and only occurs in the presence of an external magnetic field?  

Answer: B

Answer: b) Paramagnetism

Explanation: Paramagnetism is a type of magnetism that is only temporary and occurs when a material is placed in an external magnetic field. This type of magnetism is caused by the alignment of magnetic moments in the material with the external magnetic field, but it disappears once the external field is removed.

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