Question 3
Marks : +2 | -2
Pass Ratio : 100%
Who invented the piezoelectric effect?
Explanation: Piezoelectric effect was first invented and explained by curie brothers, Pierre curie and Jacques curie in 1980.
Question 4
Marks : +2 | -2
Pass Ratio : 100%
Process of physical deformation on application of electric field is described by ___________
Explanation: Electrostriction property is defined by physical deformation of certain materials on the application of electrical field.