In the hysteresis curve the value of magnetization (B) which will be present in a substance when value of magnetizing force (H) is made zero (H = 0) is called as (a) coercivity (b) retentivity (c) domain (d) saturation

Answer: (b). When H is reduced to zero, some magnetisation B remains in the material. This remaining value is the retentivity, also called remanence. So the answer is (b) retentivity.

In the hysteresis curve the value of magnetization (B) which will be… | MHT CET 2023 (14 May, Shift 2)

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Hysteresis, Soft Iron vs Steel & Shielding

In the hysteresis curve the value of magnetization (B) which will be present in a substance when value of magnetizing force $(\mathrm{H})$ is made zero $(\mathrm{H} = 0)$ is called as

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Answer: (b)

When $H$ is reduced to zero, some magnetisation $B$ remains in the material.
This remaining value is the retentivity, also called remanence.
So the answer is (b) retentivity.

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