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Some polar crystals produce small electric current on heating. This phenomenon is called- (a) Piezo electricity (b) Pyroelectricity (c) Ferroelectricity (d) Anti ferroelectricity

Some polar crystals produce small electric current on heating. This phenomenon is called-

(a) Piezo electricity (b) Pyroelectricity
(c) Ferroelectricity (d) Anti ferroelectricity

Grade:12

2 Answers

Pankaj
askIITians Faculty 131 Points
6 years ago
Sometimes it is observed that some polar crystals which produce small electric current on heating.
This phenomenon is called pyroelectricity (pyro = heat).
Yashraj Nikam
15 Points
one year ago
They can see,the heating polar crystal but weak electric current is produced it means heat electricity(pyroelectricity)🤘

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