why coercivity of steel is more than iron?
Answers
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Hence soft iron is said to have high susceptibility but low retentivity. ... Core in the transformer is made up of soft iron material. Steel is slow to be magnetized but retains the acquired magnetism for a long time. Steel is said to have low susceptibility but high retentivity.
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Answer:
Due to the slow magnetization of steel.
Explanation:
The coercivity of a magnetic field is the strength needed to completely eliminate the magnetization of a specific material. To force the substance to lose its magnetism, in other terms. The transformer's core is composed of soft iron. Steel takes a while to get magnetised, but it holds onto that magnetism for a very long time. Steel has greater coercivity than iron because of this.
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