Question

The B-H curve (i) and (ii) shown in the given figure is associated with

• A. (i) diamagnetic and (ii) paramagnetic substance
• B. (i) paramagnetic and (ii) ferromagnetic substance
• C. (i) soft iron (ii) steel
• D. (i) steel and (ii) soft iron

Answer 1

Answer: (C)

(i) soft iron (ii) steel

The loop-I is narrower than loop-II, Retentivity is more in case of steel.

Hence, loop-I is for soft iron and loop-II is for steel.