Certain type of materials generates an electrostatic charge or voltage

1.

Certain type of materials generates an electrostatic charge or voltage when mechanical force is applied across them. Such materials are called

A. Piezo-electric

B. Photo-electric

C. Thermo-electric

D. Photo-resistive

Answer» B. Photo-electric

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1.	Certain type of materials generates an electrostatic charge or voltage when mechanical force is applied across them. Such materials are called
A.	Piezo-electric
B.	Photo-electric
C.	Thermo-electric
D.	Photo-resistive
Answer» B. Photo-electric

Certain type of materials generates an electrostatic charge or voltage when mechanical force is applied across them. Such materials are called

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