Physics · 2020
JEE Main · 7 January 2020, Shift 2 · Q13
The figure gives experimentally measured B vs. H variation in a ferromagnetic material. The retentivity, co-ercivity and saturation, respectively, of…
The figure gives experimentally measured B vs. H variation in a ferromagnetic material. The retentivity, co-ercivity and saturation, respectively, of the material are:
Official answer
(4)
1.$\displaystyle 0$ T, $\displaystyle 50$ A/m and $\displaystyle 1.5$ T
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JEE Main 2020 Physics question, with the answer from NTA’s final answer key. Where our answers come from.