a material which changes dimension due to applied field

a material which become polarised when stressed

a material that never gets polarised

a material in which magnetising force reduces when current flowing is increased

A piezo electric is – McqOptions

1.	A piezo electric is
A.	a material which become polarised when stressed
B.	a material which changes dimension due to applied field
C.	a material that never gets polarised
D.	a material in which magnetising force reduces when current flowing is increased
E.	None of the above
Answer» B. a material which changes dimension due to applied field

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