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By which properties, the orientation of molecules in a layer of liquid crystals can be changed?

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in Digital Circuits by (773k points)
By which properties, the orientation of molecules in a layer of liquid crystals can be changed?

(a) Magnetic field

(b) Electric field

(c) Electromagnetic field

(d) Gallois field

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

The origin of the question is Liquid Crystal Displays topic in division Combinational Circuits of Digital Circuits

1 Answer

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Correct answer is (b) Electric field

To explain: In LCD, the electric field is induced by a small electric voltage applied across it; Due to which the orientation of molecules in a layer of liquid crystals can be changed.

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