Retentivity and coercivity on the hysteresis curve

This type of question, asked 2 times: 10 May 2023 S1, 14 May 2024 S2. All 2 questions below, oldest first.

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Question 1
10 May 2023 S1
38 $In the following graph of flux density versus magnetizing force, coercivity and retentivity are respectively represented by the points$
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Question 2
14 May 2024 S2
50 $In the hysteresis curve the value of magnetization which will be present in a substance when value of magnetizing force (H) is made zero (H=0) is called as$
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