State Magneto-striction. Draw Hysteresis loop for : (i) High silicon steel (ii) Copper (iii) Soft iron (iv) Wood

State Magneto-striction. Draw Hysteresis loop for : (i) High silicon steel (ii) Copper (iii) Soft iron (iv) Wood
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1 Answer

Answer :

Magneto-striction: It is the change in dimensions of ferro magnetic material when it is magnetized for eg. Silicon steel, iron or any ferromagnetic material. 

i) Hysteresis loop for High silicon steel : 

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 iii) Hysteresis loop for Soft iron : 

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iv) Hysteresis loop for Copper and Wood : 

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