Define piezoelectricity.

Bragg''''s Equation,Defects or imperfections in Solids Schottky and Frenkel Defects, Non Stoichiometric Defects,Magnetic Properties,Piezoelectricity and Pyroelectricity

Define electric current. What is the unit of electric current? Define it?

Define ampere.

How is emf generated in: Piezoelectric crystals.

Explain the following terms with suitable examples. (a) Paramagnetism (b) Piezoelectricity

Explain the following terms with suitable examples. (a) Paramagnetism (b) Piezoelectricity

Assertion :Lead zirconate is a piezoelectric crystal Reason : Lea zirconate crystal have no diole moment

Define electric currents and define its SI units?