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When a compressive force is applied to a quartz crystal then ____________

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in Electrical Measurements by (148k points)
When a compressive force is applied to a quartz crystal then ____________

(a) positive charges are induced

(b) negative charges are induced

(c) no charge is induced

(d) both positive and negative charges are induced

This question was posed to me in a national level competition.

My doubt stems from Piezoelectric Transducer in portion Transducers of Electrical Measurements

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The correct answer is (a) positive charges are induced

For explanation: When a quartz crystal is subjected to compressive stress, positive charges are induced in one side of the crystal while negative charges are induced on the other side of the crystal.

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