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Which of the following statements is not true? (a) Piezoelectric crystals produce electricity when subjected to a mechanical stress.

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Question

Which of the following statements is not true?

Options

  • Piezoelectric crystals produce electricity when subjected to a mechanical stress.

  • The electric current produced on heating certain polar crystals is called ferroelectricity.

  • PbZrO3 is an antiferroelectric substance.

  • Piezoelectric crystals are used as pickups in record players.

MCQ
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Solution

The electric current produced on heating certain polar crystals is called ferroelectricity.

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