Question

Classify and tabulate the following as the properties of soft iron

and steel. (2)

(a) High susceptibility

(b) Can be used to make permanent magnet

(c) High retentivity

(d) Used in magnetic cranes​

Answer 1

Comparison of properties of Soft iron and Steel :

• The area of hysteresis loop for soft iron is much smaller than for steel so energy loss per unit volume per cycle or soft iron is smaller than steel.

• The retentivity of soft iron is greater than that of steel.

• The coercivity of steel is much larger than that of soft iron

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Answer 2

Answer:

c) high retentivity

Explanation: