If the B-H curves of two samples P and Q of i | vedclass

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(B) The $B-H$ curve (hysteresis loop) provides information about the magnetic properties of a material.$1$. Permanent magnets require materials with h

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$P$ is suitable for making permanent magnet and $Q$ for making electromagnet

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(B) The $B-H$ curve (hysteresis loop) provides information about the magnetic properties of a material.$1$. Permanent magnets require materials with high retentivity and high coercivity so that they do not lose their magnetism easily. $A$ larger hysteresis loop area indicates higher coercivity.$2$. Electromagnets require materials with high permeability,low retentivity,and low coercivity so that they can be easily magnetized and demagnetized. $A$ smaller hysteresis loop area indicates lower coercivity.$3$. From the given graphs,sample $P$ has a larger hysteresis loop area (higher coercivity),making it suitable for permanent magnets.$4$. Sample $Q$ has a smaller hysteresis loop area (lower coercivity),making it suitable for electromagnets.Therefore,$P$ is suitable for a permanent magnet and $Q$ is suitable for an electromagnet.

If the $B-H$ curves of two samples $P$ and $Q$ of iron are as shown below,then which one of the following statements is correct?

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